Home / 178,640.08-267,609.78-103,602.58

Finding the Fourth Proportional to 178,640.08, 267,609.78 and 103,602.58

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Solution

The fourth proportional to 178,640.08, 267,609.78 and 103,602.58 is: 155,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,640.08 : 267,609.78 = 103,602.58 : x
  2. Step 2: Convert to fraction form
    178,640.08/267,609.78 = 103,602.58/x
  3. Step 3: Cross multiply
    178,640.08x = 267,609.78 × 103,602.58
  4. Step 4: Simplify right side
    178,640.08x = 27,725,063,641.23
  5. Step 5: Solve for x
    x = 27,725,063,641.23/178,640.08
  6. Step 6: Final answer
    x = 155,200.69

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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.