Home / 162,627.30-243,947.79-57,446.82

Finding the Fourth Proportional to 162,627.30, 243,947.79 and 57,446.82

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Solution

The fourth proportional to 162,627.30, 243,947.79 and 57,446.82 is: 86,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,627.30 : 243,947.79 = 57,446.82 : x
  2. Step 2: Convert to fraction form
    162,627.30/243,947.79 = 57,446.82/x
  3. Step 3: Cross multiply
    162,627.30x = 243,947.79 × 57,446.82
  4. Step 4: Simplify right side
    162,627.30x = 14,014,024,781.53
  5. Step 5: Solve for x
    x = 14,014,024,781.53/162,627.30
  6. Step 6: Final answer
    x = 86,172.65

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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.