Home / 125,932.30-188,898.45-124,620.10

Finding the Fourth Proportional to 125,932.30, 188,898.45 and 124,620.10

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Solution

The fourth proportional to 125,932.30, 188,898.45 and 124,620.10 is: 186,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,932.30 : 188,898.45 = 124,620.10 : x
  2. Step 2: Convert to fraction form
    125,932.30/188,898.45 = 124,620.10/x
  3. Step 3: Cross multiply
    125,932.30x = 188,898.45 × 124,620.10
  4. Step 4: Simplify right side
    125,932.30x = 23,540,543,728.85
  5. Step 5: Solve for x
    x = 23,540,543,728.85/125,932.30
  6. Step 6: Final answer
    x = 186,930.15

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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.