Home / 118,220.18-176,791.41-88,255.85

Finding the Fourth Proportional to 118,220.18, 176,791.41 and 88,255.85

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Solution

The fourth proportional to 118,220.18, 176,791.41 and 88,255.85 is: 131,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,220.18 : 176,791.41 = 88,255.85 : x
  2. Step 2: Convert to fraction form
    118,220.18/176,791.41 = 88,255.85/x
  3. Step 3: Cross multiply
    118,220.18x = 176,791.41 × 88,255.85
  4. Step 4: Simplify right side
    118,220.18x = 15,602,875,278.29
  5. Step 5: Solve for x
    x = 15,602,875,278.29/118,220.18
  6. Step 6: Final answer
    x = 131,981.49

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1.5x scale

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.