Home / 180,932.40-271,204.20-68,569.20

Finding the Fourth Proportional to 180,932.40, 271,204.20 and 68,569.20

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Solution

The fourth proportional to 180,932.40, 271,204.20 and 68,569.20 is: 102,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,932.40 : 271,204.20 = 68,569.20 : x
  2. Step 2: Convert to fraction form
    180,932.40/271,204.20 = 68,569.20/x
  3. Step 3: Cross multiply
    180,932.40x = 271,204.20 × 68,569.20
  4. Step 4: Simplify right side
    180,932.40x = 18,596,255,030.64
  5. Step 5: Solve for x
    x = 18,596,255,030.64/180,932.40
  6. Step 6: Final answer
    x = 102,780.13

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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.