Home / 125,569.20-188,499.60-124,694.40

Finding the Fourth Proportional to 125,569.20, 188,499.60 and 124,694.40

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Solution

The fourth proportional to 125,569.20, 188,499.60 and 124,694.40 is: 187,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,569.20 : 188,499.60 = 124,694.40 : x
  2. Step 2: Convert to fraction form
    125,569.20/188,499.60 = 124,694.40/x
  3. Step 3: Cross multiply
    125,569.20x = 188,499.60 × 124,694.40
  4. Step 4: Simplify right side
    125,569.20x = 23,504,844,522.24
  5. Step 5: Solve for x
    x = 23,504,844,522.24/125,569.20
  6. Step 6: Final answer
    x = 187,186.38

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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.