Home / 136,780.17-205,182-48,026.04

Finding the Fourth Proportional to 136,780.17, 205,182 and 48,026.04

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Solution

The fourth proportional to 136,780.17, 205,182 and 48,026.04 is: 72,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,780.17 : 205,182 = 48,026.04 : x
  2. Step 2: Convert to fraction form
    136,780.17/205,182 = 48,026.04/x
  3. Step 3: Cross multiply
    136,780.17x = 205,182 × 48,026.04
  4. Step 4: Simplify right side
    136,780.17x = 9,854,078,939.28
  5. Step 5: Solve for x
    x = 9,854,078,939.28/136,780.17
  6. Step 6: Final answer
    x = 72,043.18

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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.