Home / 141,713.10-195,549.60-87,256.62

Finding the Fourth Proportional to 141,713.10, 195,549.60 and 87,256.62

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Solution

The fourth proportional to 141,713.10, 195,549.60 and 87,256.62 is: 120,405.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.10 : 195,549.60 = 87,256.62 : x
  2. Step 2: Convert to fraction form
    141,713.10/195,549.60 = 87,256.62/x
  3. Step 3: Cross multiply
    141,713.10x = 195,549.60 × 87,256.62
  4. Step 4: Simplify right side
    141,713.10x = 17,062,997,138.35
  5. Step 5: Solve for x
    x = 17,062,997,138.35/141,713.10
  6. Step 6: Final answer
    x = 120,405.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.