Home / 238,621.92-329,300.45-131,192.70

Finding the Fourth Proportional to 238,621.92, 329,300.45 and 131,192.70

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Solution

The fourth proportional to 238,621.92, 329,300.45 and 131,192.70 is: 181,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,621.92 : 329,300.45 = 131,192.70 : x
  2. Step 2: Convert to fraction form
    238,621.92/329,300.45 = 131,192.70/x
  3. Step 3: Cross multiply
    238,621.92x = 329,300.45 × 131,192.70
  4. Step 4: Simplify right side
    238,621.92x = 43,201,815,146.72
  5. Step 5: Solve for x
    x = 43,201,815,146.72/238,621.92
  6. Step 6: Final answer
    x = 181,047.14

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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.