Home / 165,257.78-247,502.21-160,712.06

Finding the Fourth Proportional to 165,257.78, 247,502.21 and 160,712.06

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Solution

The fourth proportional to 165,257.78, 247,502.21 and 160,712.06 is: 240,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,257.78 : 247,502.21 = 160,712.06 : x
  2. Step 2: Convert to fraction form
    165,257.78/247,502.21 = 160,712.06/x
  3. Step 3: Cross multiply
    165,257.78x = 247,502.21 × 160,712.06
  4. Step 4: Simplify right side
    165,257.78x = 39,776,587,982.58
  5. Step 5: Solve for x
    x = 39,776,587,982.58/165,257.78
  6. Step 6: Final answer
    x = 240,694.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.