Home / 178,789.16-268,294.49-103,944.53

Finding the Fourth Proportional to 178,789.16, 268,294.49 and 103,944.53

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Solution

The fourth proportional to 178,789.16, 268,294.49 and 103,944.53 is: 155,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,789.16 : 268,294.49 = 103,944.53 : x
  2. Step 2: Convert to fraction form
    178,789.16/268,294.49 = 103,944.53/x
  3. Step 3: Cross multiply
    178,789.16x = 268,294.49 × 103,944.53
  4. Step 4: Simplify right side
    178,789.16x = 27,887,744,664.64
  5. Step 5: Solve for x
    x = 27,887,744,664.64/178,789.16
  6. Step 6: Final answer
    x = 155,981.18

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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.