Home / 126,191.52-174,155.67-88,006.50

Finding the Fourth Proportional to 126,191.52, 174,155.67 and 88,006.50

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Solution

The fourth proportional to 126,191.52, 174,155.67 and 88,006.50 is: 121,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,191.52 : 174,155.67 = 88,006.50 : x
  2. Step 2: Convert to fraction form
    126,191.52/174,155.67 = 88,006.50/x
  3. Step 3: Cross multiply
    126,191.52x = 174,155.67 × 88,006.50
  4. Step 4: Simplify right side
    126,191.52x = 15,326,830,971.86
  5. Step 5: Solve for x
    x = 15,326,830,971.86/126,191.52
  6. Step 6: Final answer
    x = 121,456.90

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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.