Home / 134,196.20-201,294.30-89,959.40

Finding the Fourth Proportional to 134,196.20, 201,294.30 and 89,959.40

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Solution

The fourth proportional to 134,196.20, 201,294.30 and 89,959.40 is: 134,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,196.20 : 201,294.30 = 89,959.40 : x
  2. Step 2: Convert to fraction form
    134,196.20/201,294.30 = 89,959.40/x
  3. Step 3: Cross multiply
    134,196.20x = 201,294.30 × 89,959.40
  4. Step 4: Simplify right side
    134,196.20x = 18,108,314,451.42
  5. Step 5: Solve for x
    x = 18,108,314,451.42/134,196.20
  6. Step 6: Final answer
    x = 134,939.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.