Home / 117,427.52-176,147.43-89,391.53

Finding the Fourth Proportional to 117,427.52, 176,147.43 and 89,391.53

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Solution

The fourth proportional to 117,427.52, 176,147.43 and 89,391.53 is: 134,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,427.52 : 176,147.43 = 89,391.53 : x
  2. Step 2: Convert to fraction form
    117,427.52/176,147.43 = 89,391.53/x
  3. Step 3: Cross multiply
    117,427.52x = 176,147.43 × 89,391.53
  4. Step 4: Simplify right side
    117,427.52x = 15,746,088,378.42
  5. Step 5: Solve for x
    x = 15,746,088,378.42/117,427.52
  6. Step 6: Final answer
    x = 134,091.97

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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.