Home / 125,012.03-187,518.05-54,891.95

Finding the Fourth Proportional to 125,012.03, 187,518.05 and 54,891.95

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Solution

The fourth proportional to 125,012.03, 187,518.05 and 54,891.95 is: 82,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,012.03 : 187,518.05 = 54,891.95 : x
  2. Step 2: Convert to fraction form
    125,012.03/187,518.05 = 54,891.95/x
  3. Step 3: Cross multiply
    125,012.03x = 187,518.05 × 54,891.95
  4. Step 4: Simplify right side
    125,012.03x = 10,293,231,150.24
  5. Step 5: Solve for x
    x = 10,293,231,150.24/125,012.03
  6. Step 6: Final answer
    x = 82,337.93

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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.