Home / 104,248.64-156,455.52-54,343.04

Finding the Fourth Proportional to 104,248.64, 156,455.52 and 54,343.04

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Solution

The fourth proportional to 104,248.64, 156,455.52 and 54,343.04 is: 81,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,248.64 : 156,455.52 = 54,343.04 : x
  2. Step 2: Convert to fraction form
    104,248.64/156,455.52 = 54,343.04/x
  3. Step 3: Cross multiply
    104,248.64x = 156,455.52 × 54,343.04
  4. Step 4: Simplify right side
    104,248.64x = 8,502,268,581.58
  5. Step 5: Solve for x
    x = 8,502,268,581.58/104,248.64
  6. Step 6: Final answer
    x = 81,557.60

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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.