Home / 234,142.11-323,116.68-126,712.92

Finding the Fourth Proportional to 234,142.11, 323,116.68 and 126,712.92

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Solution

The fourth proportional to 234,142.11, 323,116.68 and 126,712.92 is: 174,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,142.11 : 323,116.68 = 126,712.92 : x
  2. Step 2: Convert to fraction form
    234,142.11/323,116.68 = 126,712.92/x
  3. Step 3: Cross multiply
    234,142.11x = 323,116.68 × 126,712.92
  4. Step 4: Simplify right side
    234,142.11x = 40,943,058,023.51
  5. Step 5: Solve for x
    x = 40,943,058,023.51/234,142.11
  6. Step 6: Final answer
    x = 174,864.14

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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.