Home / 157,445.27-217,266.26-89,452.80

Finding the Fourth Proportional to 157,445.27, 217,266.26 and 89,452.80

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Solution

The fourth proportional to 157,445.27, 217,266.26 and 89,452.80 is: 123,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,445.27 : 217,266.26 = 89,452.80 : x
  2. Step 2: Convert to fraction form
    157,445.27/217,266.26 = 89,452.80/x
  3. Step 3: Cross multiply
    157,445.27x = 217,266.26 × 89,452.80
  4. Step 4: Simplify right side
    157,445.27x = 19,435,074,855.26
  5. Step 5: Solve for x
    x = 19,435,074,855.26/157,445.27
  6. Step 6: Final answer
    x = 123,440.20

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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.