Home / 168,180.64-232,088.34-92,729.20

Finding the Fourth Proportional to 168,180.64, 232,088.34 and 92,729.20

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Solution

The fourth proportional to 168,180.64, 232,088.34 and 92,729.20 is: 127,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,180.64 : 232,088.34 = 92,729.20 : x
  2. Step 2: Convert to fraction form
    168,180.64/232,088.34 = 92,729.20/x
  3. Step 3: Cross multiply
    168,180.64x = 232,088.34 × 92,729.20
  4. Step 4: Simplify right side
    168,180.64x = 21,521,366,097.53
  5. Step 5: Solve for x
    x = 21,521,366,097.53/168,180.64
  6. Step 6: Final answer
    x = 127,965.78

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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.