Home / 186,840.88-280,397.40-74,553.31

Finding the Fourth Proportional to 186,840.88, 280,397.40 and 74,553.31

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Solution

The fourth proportional to 186,840.88, 280,397.40 and 74,553.31 is: 111,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,840.88 : 280,397.40 = 74,553.31 : x
  2. Step 2: Convert to fraction form
    186,840.88/280,397.40 = 74,553.31/x
  3. Step 3: Cross multiply
    186,840.88x = 280,397.40 × 74,553.31
  4. Step 4: Simplify right side
    186,840.88x = 20,904,554,356.32
  5. Step 5: Solve for x
    x = 20,904,554,356.32/186,840.88
  6. Step 6: Final answer
    x = 111,884.27

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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.