Home / 115,340.30-173,256.28-108,598.88

Finding the Fourth Proportional to 115,340.30, 173,256.28 and 108,598.88

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Solution

The fourth proportional to 115,340.30, 173,256.28 and 108,598.88 is: 163,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,340.30 : 173,256.28 = 108,598.88 : x
  2. Step 2: Convert to fraction form
    115,340.30/173,256.28 = 108,598.88/x
  3. Step 3: Cross multiply
    115,340.30x = 173,256.28 × 108,598.88
  4. Step 4: Simplify right side
    115,340.30x = 18,815,437,960.97
  5. Step 5: Solve for x
    x = 18,815,437,960.97/115,340.30
  6. Step 6: Final answer
    x = 163,129.78

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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.