Home / 178,638.08-267,606.78-103,600.58

Finding the Fourth Proportional to 178,638.08, 267,606.78 and 103,600.58

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Solution

The fourth proportional to 178,638.08, 267,606.78 and 103,600.58 is: 155,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,638.08 : 267,606.78 = 103,600.58 : x
  2. Step 2: Convert to fraction form
    178,638.08/267,606.78 = 103,600.58/x
  3. Step 3: Cross multiply
    178,638.08x = 267,606.78 × 103,600.58
  4. Step 4: Simplify right side
    178,638.08x = 27,724,217,619.93
  5. Step 5: Solve for x
    x = 27,724,217,619.93/178,638.08
  6. Step 6: Final answer
    x = 155,197.69

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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.