Home / 159,539.90-239,236.68-54,316.04

Finding the Fourth Proportional to 159,539.90, 239,236.68 and 54,316.04

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Solution

The fourth proportional to 159,539.90, 239,236.68 and 54,316.04 is: 81,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,539.90 : 239,236.68 = 54,316.04 : x
  2. Step 2: Convert to fraction form
    159,539.90/239,236.68 = 54,316.04/x
  3. Step 3: Cross multiply
    159,539.90x = 239,236.68 × 54,316.04
  4. Step 4: Simplify right side
    159,539.90x = 12,994,389,080.35
  5. Step 5: Solve for x
    x = 12,994,389,080.35/159,539.90
  6. Step 6: Final answer
    x = 81,449.15

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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.