Home / 516,741.10-775,061.53-156,915.07

Finding the Fourth Proportional to 516,741.10, 775,061.53 and 156,915.07

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Solution

The fourth proportional to 516,741.10, 775,061.53 and 156,915.07 is: 235,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,741.10 : 775,061.53 = 156,915.07 : x
  2. Step 2: Convert to fraction form
    516,741.10/775,061.53 = 156,915.07/x
  3. Step 3: Cross multiply
    516,741.10x = 775,061.53 × 156,915.07
  4. Step 4: Simplify right side
    516,741.10x = 121,618,834,234.26
  5. Step 5: Solve for x
    x = 121,618,834,234.26/516,741.10
  6. Step 6: Final answer
    x = 235,357.39

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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.