Home / 134,173.40-201,260.10-100,712.30

Finding the Fourth Proportional to 134,173.40, 201,260.10 and 100,712.30

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Solution

The fourth proportional to 134,173.40, 201,260.10 and 100,712.30 is: 151,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,173.40 : 201,260.10 = 100,712.30 : x
  2. Step 2: Convert to fraction form
    134,173.40/201,260.10 = 100,712.30/x
  3. Step 3: Cross multiply
    134,173.40x = 201,260.10 × 100,712.30
  4. Step 4: Simplify right side
    134,173.40x = 20,269,367,569.23
  5. Step 5: Solve for x
    x = 20,269,367,569.23/134,173.40
  6. Step 6: Final answer
    x = 151,068.45

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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.