Home / 231,580.32-319,479.38-136,043.92

Finding the Fourth Proportional to 231,580.32, 319,479.38 and 136,043.92

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Solution

The fourth proportional to 231,580.32, 319,479.38 and 136,043.92 is: 187,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,580.32 : 319,479.38 = 136,043.92 : x
  2. Step 2: Convert to fraction form
    231,580.32/319,479.38 = 136,043.92/x
  3. Step 3: Cross multiply
    231,580.32x = 319,479.38 × 136,043.92
  4. Step 4: Simplify right side
    231,580.32x = 43,463,227,214.37
  5. Step 5: Solve for x
    x = 43,463,227,214.37/231,580.32
  6. Step 6: Final answer
    x = 187,681.01

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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.