Home / 231,597.24-319,558.77-129,627.15

Finding the Fourth Proportional to 231,597.24, 319,558.77 and 129,627.15

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Solution

The fourth proportional to 231,597.24, 319,558.77 and 129,627.15 is: 178,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,597.24 : 319,558.77 = 129,627.15 : x
  2. Step 2: Convert to fraction form
    231,597.24/319,558.77 = 129,627.15/x
  3. Step 3: Cross multiply
    231,597.24x = 319,558.77 × 129,627.15
  4. Step 4: Simplify right side
    231,597.24x = 41,423,492,612.61
  5. Step 5: Solve for x
    x = 41,423,492,612.61/231,597.24
  6. Step 6: Final answer
    x = 178,860.04

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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.