Home / 151,733.28-209,390.76-88,077

Finding the Fourth Proportional to 151,733.28, 209,390.76 and 88,077

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Solution

The fourth proportional to 151,733.28, 209,390.76 and 88,077 is: 121,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,733.28 : 209,390.76 = 88,077 : x
  2. Step 2: Convert to fraction form
    151,733.28/209,390.76 = 88,077/x
  3. Step 3: Cross multiply
    151,733.28x = 209,390.76 × 88,077
  4. Step 4: Simplify right side
    151,733.28x = 18,442,509,968.52
  5. Step 5: Solve for x
    x = 18,442,509,968.52/151,733.28
  6. Step 6: Final answer
    x = 121,545.58

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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.