Home / 125,225.32-187,778.52-72,650.92

Finding the Fourth Proportional to 125,225.32, 187,778.52 and 72,650.92

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Solution

The fourth proportional to 125,225.32, 187,778.52 and 72,650.92 is: 108,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,225.32 : 187,778.52 = 72,650.92 : x
  2. Step 2: Convert to fraction form
    125,225.32/187,778.52 = 72,650.92/x
  3. Step 3: Cross multiply
    125,225.32x = 187,778.52 × 72,650.92
  4. Step 4: Simplify right side
    125,225.32x = 13,642,282,234.24
  5. Step 5: Solve for x
    x = 13,642,282,234.24/125,225.32
  6. Step 6: Final answer
    x = 108,941.88

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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.