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Finding the Fourth Proportional to 238,713, 329,432.22 and 131,291.16

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Solution

The fourth proportional to 238,713, 329,432.22 and 131,291.16 is: 181,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,713 : 329,432.22 = 131,291.16 : x
  2. Step 2: Convert to fraction form
    238,713/329,432.22 = 131,291.16/x
  3. Step 3: Cross multiply
    238,713x = 329,432.22 × 131,291.16
  4. Step 4: Simplify right side
    238,713x = 43,251,538,305.18
  5. Step 5: Solve for x
    x = 43,251,538,305.18/238,713
  6. Step 6: Final answer
    x = 181,186.35

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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.