Home / 292,912.32-404,427.20-231,566.88

Finding the Fourth Proportional to 292,912.32, 404,427.20 and 231,566.88

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Solution

The fourth proportional to 292,912.32, 404,427.20 and 231,566.88 is: 319,726.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,912.32 : 404,427.20 = 231,566.88 : x
  2. Step 2: Convert to fraction form
    292,912.32/404,427.20 = 231,566.88/x
  3. Step 3: Cross multiply
    292,912.32x = 404,427.20 × 231,566.88
  4. Step 4: Simplify right side
    292,912.32x = 93,651,944,891.14
  5. Step 5: Solve for x
    x = 93,651,944,891.14/292,912.32
  6. Step 6: Final answer
    x = 319,726.89

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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.