Home / 238,612.20-329,285.04-131,184.06

Finding the Fourth Proportional to 238,612.20, 329,285.04 and 131,184.06

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Solution

The fourth proportional to 238,612.20, 329,285.04 and 131,184.06 is: 181,034.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,612.20 : 329,285.04 = 131,184.06 : x
  2. Step 2: Convert to fraction form
    238,612.20/329,285.04 = 131,184.06/x
  3. Step 3: Cross multiply
    238,612.20x = 329,285.04 × 131,184.06
  4. Step 4: Simplify right side
    238,612.20x = 43,196,948,444.46
  5. Step 5: Solve for x
    x = 43,196,948,444.46/238,612.20
  6. Step 6: Final answer
    x = 181,034.11

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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.