Home / 125,154.40-187,265.04-123,754.72

Finding the Fourth Proportional to 125,154.40, 187,265.04 and 123,754.72

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Solution

The fourth proportional to 125,154.40, 187,265.04 and 123,754.72 is: 185,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,154.40 : 187,265.04 = 123,754.72 : x
  2. Step 2: Convert to fraction form
    125,154.40/187,265.04 = 123,754.72/x
  3. Step 3: Cross multiply
    125,154.40x = 187,265.04 × 123,754.72
  4. Step 4: Simplify right side
    125,154.40x = 23,174,932,590.99
  5. Step 5: Solve for x
    x = 23,174,932,590.99/125,154.40
  6. Step 6: Final answer
    x = 185,170.74

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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.