Home / 231,346.13-319,244.41-127,974.16

Finding the Fourth Proportional to 231,346.13, 319,244.41 and 127,974.16

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Solution

The fourth proportional to 231,346.13, 319,244.41 and 127,974.16 is: 176,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,346.13 : 319,244.41 = 127,974.16 : x
  2. Step 2: Convert to fraction form
    231,346.13/319,244.41 = 127,974.16/x
  3. Step 3: Cross multiply
    231,346.13x = 319,244.41 × 127,974.16
  4. Step 4: Simplify right side
    231,346.13x = 40,855,035,763.47
  5. Step 5: Solve for x
    x = 40,855,035,763.47/231,346.13
  6. Step 6: Final answer
    x = 176,597.02

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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.