Home / 238,577.28-329,254.08-143,081.92

Finding the Fourth Proportional to 238,577.28, 329,254.08 and 143,081.92

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Solution

The fourth proportional to 238,577.28, 329,254.08 and 143,081.92 is: 197,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,577.28 : 329,254.08 = 143,081.92 : x
  2. Step 2: Convert to fraction form
    238,577.28/329,254.08 = 143,081.92/x
  3. Step 3: Cross multiply
    238,577.28x = 329,254.08 × 143,081.92
  4. Step 4: Simplify right side
    238,577.28x = 47,110,305,934.23
  5. Step 5: Solve for x
    x = 47,110,305,934.23/238,577.28
  6. Step 6: Final answer
    x = 197,463.51

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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.