Home / 231,510.25-319,525.10-136,016.92

Finding the Fourth Proportional to 231,510.25, 319,525.10 and 136,016.92

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Solution

The fourth proportional to 231,510.25, 319,525.10 and 136,016.92 is: 187,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,510.25 : 319,525.10 = 136,016.92 : x
  2. Step 2: Convert to fraction form
    231,510.25/319,525.10 = 136,016.92/x
  3. Step 3: Cross multiply
    231,510.25x = 319,525.10 × 136,016.92
  4. Step 4: Simplify right side
    231,510.25x = 43,460,819,964.69
  5. Step 5: Solve for x
    x = 43,460,819,964.69/231,510.25
  6. Step 6: Final answer
    x = 187,727.41

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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.