Home / 248,726.72-343,232.86-135,547.04

Finding the Fourth Proportional to 248,726.72, 343,232.86 and 135,547.04

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Solution

The fourth proportional to 248,726.72, 343,232.86 and 135,547.04 is: 187,049.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,726.72 : 343,232.86 = 135,547.04 : x
  2. Step 2: Convert to fraction form
    248,726.72/343,232.86 = 135,547.04/x
  3. Step 3: Cross multiply
    248,726.72x = 343,232.86 × 135,547.04
  4. Step 4: Simplify right side
    248,726.72x = 46,524,198,203.73
  5. Step 5: Solve for x
    x = 46,524,198,203.73/248,726.72
  6. Step 6: Final answer
    x = 187,049.46

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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.