Home / 256,849.19-385,276.38-114,701.70

Finding the Fourth Proportional to 256,849.19, 385,276.38 and 114,701.70

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Solution

The fourth proportional to 256,849.19, 385,276.38 and 114,701.70 is: 172,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,849.19 : 385,276.38 = 114,701.70 : x
  2. Step 2: Convert to fraction form
    256,849.19/385,276.38 = 114,701.70/x
  3. Step 3: Cross multiply
    256,849.19x = 385,276.38 × 114,701.70
  4. Step 4: Simplify right side
    256,849.19x = 44,191,855,755.85
  5. Step 5: Solve for x
    x = 44,191,855,755.85/256,849.19
  6. Step 6: Final answer
    x = 172,053.71

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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.