Home / 175,680.12-242,375.58-100,184.88

Finding the Fourth Proportional to 175,680.12, 242,375.58 and 100,184.88

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Solution

The fourth proportional to 175,680.12, 242,375.58 and 100,184.88 is: 138,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,680.12 : 242,375.58 = 100,184.88 : x
  2. Step 2: Convert to fraction form
    175,680.12/242,375.58 = 100,184.88/x
  3. Step 3: Cross multiply
    175,680.12x = 242,375.58 × 100,184.88
  4. Step 4: Simplify right side
    175,680.12x = 24,282,368,397.23
  5. Step 5: Solve for x
    x = 24,282,368,397.23/175,680.12
  6. Step 6: Final answer
    x = 138,219.22

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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.