Home / 117,440.28-176,488.47-109,878.73

Finding the Fourth Proportional to 117,440.28, 176,488.47 and 109,878.73

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Solution

The fourth proportional to 117,440.28, 176,488.47 and 109,878.73 is: 165,125.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,440.28 : 176,488.47 = 109,878.73 : x
  2. Step 2: Convert to fraction form
    117,440.28/176,488.47 = 109,878.73/x
  3. Step 3: Cross multiply
    117,440.28x = 176,488.47 × 109,878.73
  4. Step 4: Simplify right side
    117,440.28x = 19,392,328,708.04
  5. Step 5: Solve for x
    x = 19,392,328,708.04/117,440.28
  6. Step 6: Final answer
    x = 165,125.02

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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.