Home / 124,458.32-186,825.96-64,470.78

Finding the Fourth Proportional to 124,458.32, 186,825.96 and 64,470.78

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Solution

The fourth proportional to 124,458.32, 186,825.96 and 64,470.78 is: 96,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,458.32 : 186,825.96 = 64,470.78 : x
  2. Step 2: Convert to fraction form
    124,458.32/186,825.96 = 64,470.78/x
  3. Step 3: Cross multiply
    124,458.32x = 186,825.96 × 64,470.78
  4. Step 4: Simplify right side
    124,458.32x = 12,044,815,824.28
  5. Step 5: Solve for x
    x = 12,044,815,824.28/124,458.32
  6. Step 6: Final answer
    x = 96,777.91

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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.