Home / 231,582.17-319,597.48-129,605.55

Finding the Fourth Proportional to 231,582.17, 319,597.48 and 129,605.55

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Solution

The fourth proportional to 231,582.17, 319,597.48 and 129,605.55 is: 178,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,582.17 : 319,597.48 = 129,605.55 : x
  2. Step 2: Convert to fraction form
    231,582.17/319,597.48 = 129,605.55/x
  3. Step 3: Cross multiply
    231,582.17x = 319,597.48 × 129,605.55
  4. Step 4: Simplify right side
    231,582.17x = 41,421,607,935.27
  5. Step 5: Solve for x
    x = 41,421,607,935.27/231,582.17
  6. Step 6: Final answer
    x = 178,863.54

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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.