Home / 231,598.24-319,560.15-129,628.15

Finding the Fourth Proportional to 231,598.24, 319,560.15 and 129,628.15

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Solution

The fourth proportional to 231,598.24, 319,560.15 and 129,628.15 is: 178,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,598.24 : 319,560.15 = 129,628.15 : x
  2. Step 2: Convert to fraction form
    231,598.24/319,560.15 = 129,628.15/x
  3. Step 3: Cross multiply
    231,598.24x = 319,560.15 × 129,628.15
  4. Step 4: Simplify right side
    231,598.24x = 41,423,991,058.22
  5. Step 5: Solve for x
    x = 41,423,991,058.22/231,598.24
  6. Step 6: Final answer
    x = 178,861.42

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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.