Home / 118,214.10-177,029.55-88,470.90

Finding the Fourth Proportional to 118,214.10, 177,029.55 and 88,470.90

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Solution

The fourth proportional to 118,214.10, 177,029.55 and 88,470.90 is: 132,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,214.10 : 177,029.55 = 88,470.90 : x
  2. Step 2: Convert to fraction form
    118,214.10/177,029.55 = 88,470.90/x
  3. Step 3: Cross multiply
    118,214.10x = 177,029.55 × 88,470.90
  4. Step 4: Simplify right side
    118,214.10x = 15,661,963,615.10
  5. Step 5: Solve for x
    x = 15,661,963,615.10/118,214.10
  6. Step 6: Final answer
    x = 132,488.12

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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.