Home / 238,818.83-329,617.08-136,912.70

Finding the Fourth Proportional to 238,818.83, 329,617.08 and 136,912.70

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Solution

The fourth proportional to 238,818.83, 329,617.08 and 136,912.70 is: 188,966.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,818.83 : 329,617.08 = 136,912.70 : x
  2. Step 2: Convert to fraction form
    238,818.83/329,617.08 = 136,912.70/x
  3. Step 3: Cross multiply
    238,818.83x = 329,617.08 × 136,912.70
  4. Step 4: Simplify right side
    238,818.83x = 45,128,764,388.92
  5. Step 5: Solve for x
    x = 45,128,764,388.92/238,818.83
  6. Step 6: Final answer
    x = 188,966.52

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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.