Home / 114,947.90-172,551.45-88,768.70

Finding the Fourth Proportional to 114,947.90, 172,551.45 and 88,768.70

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Solution

The fourth proportional to 114,947.90, 172,551.45 and 88,768.70 is: 133,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,947.90 : 172,551.45 = 88,768.70 : x
  2. Step 2: Convert to fraction form
    114,947.90/172,551.45 = 88,768.70/x
  3. Step 3: Cross multiply
    114,947.90x = 172,551.45 × 88,768.70
  4. Step 4: Simplify right side
    114,947.90x = 15,317,167,899.62
  5. Step 5: Solve for x
    x = 15,317,167,899.62/114,947.90
  6. Step 6: Final answer
    x = 133,253.13

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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.