Home / 240,823.31-361,307.84-91,109.48

Finding the Fourth Proportional to 240,823.31, 361,307.84 and 91,109.48

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Solution

The fourth proportional to 240,823.31, 361,307.84 and 91,109.48 is: 136,691.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,823.31 : 361,307.84 = 91,109.48 : x
  2. Step 2: Convert to fraction form
    240,823.31/361,307.84 = 91,109.48/x
  3. Step 3: Cross multiply
    240,823.31x = 361,307.84 × 91,109.48
  4. Step 4: Simplify right side
    240,823.31x = 32,918,567,160.24
  5. Step 5: Solve for x
    x = 32,918,567,160.24/240,823.31
  6. Step 6: Final answer
    x = 136,691.78

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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.