Home / 282,034.76-389,204.34-161,174.66

Finding the Fourth Proportional to 282,034.76, 389,204.34 and 161,174.66

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Solution

The fourth proportional to 282,034.76, 389,204.34 and 161,174.66 is: 222,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,034.76 : 389,204.34 = 161,174.66 : x
  2. Step 2: Convert to fraction form
    282,034.76/389,204.34 = 161,174.66/x
  3. Step 3: Cross multiply
    282,034.76x = 389,204.34 × 161,174.66
  4. Step 4: Simplify right side
    282,034.76x = 62,729,877,170.02
  5. Step 5: Solve for x
    x = 62,729,877,170.02/282,034.76
  6. Step 6: Final answer
    x = 222,418.96

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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.