Home / 418,180.62-627,176.36-193,417.72

Finding the Fourth Proportional to 418,180.62, 627,176.36 and 193,417.72

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Solution

The fourth proportional to 418,180.62, 627,176.36 and 193,417.72 is: 290,082.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,180.62 : 627,176.36 = 193,417.72 : x
  2. Step 2: Convert to fraction form
    418,180.62/627,176.36 = 193,417.72/x
  3. Step 3: Cross multiply
    418,180.62x = 627,176.36 × 193,417.72
  4. Step 4: Simplify right side
    418,180.62x = 121,307,021,589.10
  5. Step 5: Solve for x
    x = 121,307,021,589.10/418,180.62
  6. Step 6: Final answer
    x = 290,082.84

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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.