Home / 125,033.28-187,549.98-54,913.20

Finding the Fourth Proportional to 125,033.28, 187,549.98 and 54,913.20

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Solution

The fourth proportional to 125,033.28, 187,549.98 and 54,913.20 is: 82,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,033.28 : 187,549.98 = 54,913.20 : x
  2. Step 2: Convert to fraction form
    125,033.28/187,549.98 = 54,913.20/x
  3. Step 3: Cross multiply
    125,033.28x = 187,549.98 × 54,913.20
  4. Step 4: Simplify right side
    125,033.28x = 10,298,969,561.74
  5. Step 5: Solve for x
    x = 10,298,969,561.74/125,033.28
  6. Step 6: Final answer
    x = 82,369.83

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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.