Home / 123,376.32-185,092.38-39,141.60

Finding the Fourth Proportional to 123,376.32, 185,092.38 and 39,141.60

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Solution

The fourth proportional to 123,376.32, 185,092.38 and 39,141.60 is: 58,721.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,376.32 : 185,092.38 = 39,141.60 : x
  2. Step 2: Convert to fraction form
    123,376.32/185,092.38 = 39,141.60/x
  3. Step 3: Cross multiply
    123,376.32x = 185,092.38 × 39,141.60
  4. Step 4: Simplify right side
    123,376.32x = 7,244,811,901.01
  5. Step 5: Solve for x
    x = 7,244,811,901.01/123,376.32
  6. Step 6: Final answer
    x = 58,721.25

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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.