Home / 125,013.03-187,519.55-54,892.95

Finding the Fourth Proportional to 125,013.03, 187,519.55 and 54,892.95

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Solution

The fourth proportional to 125,013.03, 187,519.55 and 54,892.95 is: 82,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,013.03 : 187,519.55 = 54,892.95 : x
  2. Step 2: Convert to fraction form
    125,013.03/187,519.55 = 54,892.95/x
  3. Step 3: Cross multiply
    125,013.03x = 187,519.55 × 54,892.95
  4. Step 4: Simplify right side
    125,013.03x = 10,293,501,007.71
  5. Step 5: Solve for x
    x = 10,293,501,007.71/125,013.03
  6. Step 6: Final answer
    x = 82,339.43

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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.