Home / 178,345.43-267,626.84-71,709.39

Finding the Fourth Proportional to 178,345.43, 267,626.84 and 71,709.39

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Solution

The fourth proportional to 178,345.43, 267,626.84 and 71,709.39 is: 107,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,345.43 : 267,626.84 = 71,709.39 : x
  2. Step 2: Convert to fraction form
    178,345.43/267,626.84 = 71,709.39/x
  3. Step 3: Cross multiply
    178,345.43x = 267,626.84 × 71,709.39
  4. Step 4: Simplify right side
    178,345.43x = 19,191,357,085.48
  5. Step 5: Solve for x
    x = 19,191,357,085.48/178,345.43
  6. Step 6: Final answer
    x = 107,607.79

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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.