Home / 231,233.82-319,139.19-140,618.22

Finding the Fourth Proportional to 231,233.82, 319,139.19 and 140,618.22

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Solution

The fourth proportional to 231,233.82, 319,139.19 and 140,618.22 is: 194,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,233.82 : 319,139.19 = 140,618.22 : x
  2. Step 2: Convert to fraction form
    231,233.82/319,139.19 = 140,618.22/x
  3. Step 3: Cross multiply
    231,233.82x = 319,139.19 × 140,618.22
  4. Step 4: Simplify right side
    231,233.82x = 44,876,784,830.04
  5. Step 5: Solve for x
    x = 44,876,784,830.04/231,233.82
  6. Step 6: Final answer
    x = 194,075.35

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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.