Home / 279,115.97-385,038.03-182,376.38

Finding the Fourth Proportional to 279,115.97, 385,038.03 and 182,376.38

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Solution

The fourth proportional to 279,115.97, 385,038.03 and 182,376.38 is: 251,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,115.97 : 385,038.03 = 182,376.38 : x
  2. Step 2: Convert to fraction form
    279,115.97/385,038.03 = 182,376.38/x
  3. Step 3: Cross multiply
    279,115.97x = 385,038.03 × 182,376.38
  4. Step 4: Simplify right side
    279,115.97x = 70,221,841,704.10
  5. Step 5: Solve for x
    x = 70,221,841,704.10/279,115.97
  6. Step 6: Final answer
    x = 251,586.61

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1.5x scale

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.