Home / 137,343.94-206,951.76-112,930.88

Finding the Fourth Proportional to 137,343.94, 206,951.76 and 112,930.88

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Solution

The fourth proportional to 137,343.94, 206,951.76 and 112,930.88 is: 170,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,343.94 : 206,951.76 = 112,930.88 : x
  2. Step 2: Convert to fraction form
    137,343.94/206,951.76 = 112,930.88/x
  3. Step 3: Cross multiply
    137,343.94x = 206,951.76 × 112,930.88
  4. Step 4: Simplify right side
    137,343.94x = 23,371,243,339.59
  5. Step 5: Solve for x
    x = 23,371,243,339.59/137,343.94
  6. Step 6: Final answer
    x = 170,165.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.