Home / 188,619.60-282,925.31-88,724.43

Finding the Fourth Proportional to 188,619.60, 282,925.31 and 88,724.43

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Solution

The fourth proportional to 188,619.60, 282,925.31 and 88,724.43 is: 133,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,619.60 : 282,925.31 = 88,724.43 : x
  2. Step 2: Convert to fraction form
    188,619.60/282,925.31 = 88,724.43/x
  3. Step 3: Cross multiply
    188,619.60x = 282,925.31 × 88,724.43
  4. Step 4: Simplify right side
    188,619.60x = 25,102,386,418.70
  5. Step 5: Solve for x
    x = 25,102,386,418.70/188,619.60
  6. Step 6: Final answer
    x = 133,084.72

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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.