Home / 156,909.68-235,290.38-57,000.24

Finding the Fourth Proportional to 156,909.68, 235,290.38 and 57,000.24

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Solution

The fourth proportional to 156,909.68, 235,290.38 and 57,000.24 is: 85,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,909.68 : 235,290.38 = 57,000.24 : x
  2. Step 2: Convert to fraction form
    156,909.68/235,290.38 = 57,000.24/x
  3. Step 3: Cross multiply
    156,909.68x = 235,290.38 × 57,000.24
  4. Step 4: Simplify right side
    156,909.68x = 13,411,608,129.69
  5. Step 5: Solve for x
    x = 13,411,608,129.69/156,909.68
  6. Step 6: Final answer
    x = 85,473.43

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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.