Home / 123,866.32-185,799.48-74,929.36

Finding the Fourth Proportional to 123,866.32, 185,799.48 and 74,929.36

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Solution

The fourth proportional to 123,866.32, 185,799.48 and 74,929.36 is: 112,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,866.32 : 185,799.48 = 74,929.36 : x
  2. Step 2: Convert to fraction form
    123,866.32/185,799.48 = 74,929.36/x
  3. Step 3: Cross multiply
    123,866.32x = 185,799.48 × 74,929.36
  4. Step 4: Simplify right side
    123,866.32x = 13,921,836,124.73
  5. Step 5: Solve for x
    x = 13,921,836,124.73/123,866.32
  6. Step 6: Final answer
    x = 112,394.04

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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.