Home / 125,772.20-188,658.30-42,666.92

Finding the Fourth Proportional to 125,772.20, 188,658.30 and 42,666.92

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Solution

The fourth proportional to 125,772.20, 188,658.30 and 42,666.92 is: 64,000.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,772.20 : 188,658.30 = 42,666.92 : x
  2. Step 2: Convert to fraction form
    125,772.20/188,658.30 = 42,666.92/x
  3. Step 3: Cross multiply
    125,772.20x = 188,658.30 × 42,666.92
  4. Step 4: Simplify right side
    125,772.20x = 8,049,468,593.44
  5. Step 5: Solve for x
    x = 8,049,468,593.44/125,772.20
  6. Step 6: Final answer
    x = 64,000.38

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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.