Home / 168,178.50-232,088.15-91,696.98

Finding the Fourth Proportional to 168,178.50, 232,088.15 and 91,696.98

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Solution

The fourth proportional to 168,178.50, 232,088.15 and 91,696.98 is: 126,542.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,178.50 : 232,088.15 = 91,696.98 : x
  2. Step 2: Convert to fraction form
    168,178.50/232,088.15 = 91,696.98/x
  3. Step 3: Cross multiply
    168,178.50x = 232,088.15 × 91,696.98
  4. Step 4: Simplify right side
    168,178.50x = 21,281,781,990.30
  5. Step 5: Solve for x
    x = 21,281,781,990.30/168,178.50
  6. Step 6: Final answer
    x = 126,542.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.