Home / 231,427.24-319,241.07-134,620.19

Finding the Fourth Proportional to 231,427.24, 319,241.07 and 134,620.19

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Solution

The fourth proportional to 231,427.24, 319,241.07 and 134,620.19 is: 185,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,427.24 : 319,241.07 = 134,620.19 : x
  2. Step 2: Convert to fraction form
    231,427.24/319,241.07 = 134,620.19/x
  3. Step 3: Cross multiply
    231,427.24x = 319,241.07 × 134,620.19
  4. Step 4: Simplify right side
    231,427.24x = 42,976,293,499.20
  5. Step 5: Solve for x
    x = 42,976,293,499.20/231,427.24
  6. Step 6: Final answer
    x = 185,701.10

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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.