Home / 193,470.98-267,001.90-128,829.38

Finding the Fourth Proportional to 193,470.98, 267,001.90 and 128,829.38

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Solution

The fourth proportional to 193,470.98, 267,001.90 and 128,829.38 is: 177,792.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,470.98 : 267,001.90 = 128,829.38 : x
  2. Step 2: Convert to fraction form
    193,470.98/267,001.90 = 128,829.38/x
  3. Step 3: Cross multiply
    193,470.98x = 267,001.90 × 128,829.38
  4. Step 4: Simplify right side
    193,470.98x = 34,397,689,235.82
  5. Step 5: Solve for x
    x = 34,397,689,235.82/193,470.98
  6. Step 6: Final answer
    x = 177,792.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.