Home / 175,655.62-242,402.49-100,205.38

Finding the Fourth Proportional to 175,655.62, 242,402.49 and 100,205.38

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Solution

The fourth proportional to 175,655.62, 242,402.49 and 100,205.38 is: 138,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,655.62 : 242,402.49 = 100,205.38 : x
  2. Step 2: Convert to fraction form
    175,655.62/242,402.49 = 100,205.38/x
  3. Step 3: Cross multiply
    175,655.62x = 242,402.49 × 100,205.38
  4. Step 4: Simplify right side
    175,655.62x = 24,290,033,623.40
  5. Step 5: Solve for x
    x = 24,290,033,623.40/175,655.62
  6. Step 6: Final answer
    x = 138,282.13

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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.