Home / 165,892.32-248,877.36-72,424.80

Finding the Fourth Proportional to 165,892.32, 248,877.36 and 72,424.80

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Solution

The fourth proportional to 165,892.32, 248,877.36 and 72,424.80 is: 108,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,892.32 : 248,877.36 = 72,424.80 : x
  2. Step 2: Convert to fraction form
    165,892.32/248,877.36 = 72,424.80/x
  3. Step 3: Cross multiply
    165,892.32x = 248,877.36 × 72,424.80
  4. Step 4: Simplify right side
    165,892.32x = 18,024,893,022.53
  5. Step 5: Solve for x
    x = 18,024,893,022.53/165,892.32
  6. Step 6: Final answer
    x = 108,654.17

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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.