Home / 117,719.50-175,470.29-108,271.66

Finding the Fourth Proportional to 117,719.50, 175,470.29 and 108,271.66

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Solution

The fourth proportional to 117,719.50, 175,470.29 and 108,271.66 is: 161,387.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,719.50 : 175,470.29 = 108,271.66 : x
  2. Step 2: Convert to fraction form
    117,719.50/175,470.29 = 108,271.66/x
  3. Step 3: Cross multiply
    117,719.50x = 175,470.29 × 108,271.66
  4. Step 4: Simplify right side
    117,719.50x = 18,998,459,578.98
  5. Step 5: Solve for x
    x = 18,998,459,578.98/117,719.50
  6. Step 6: Final answer
    x = 161,387.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.