Home / 238,816.83-329,614.32-136,910.70

Finding the Fourth Proportional to 238,816.83, 329,614.32 and 136,910.70

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Solution

The fourth proportional to 238,816.83, 329,614.32 and 136,910.70 is: 188,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,816.83 : 329,614.32 = 136,910.70 : x
  2. Step 2: Convert to fraction form
    238,816.83/329,614.32 = 136,910.70/x
  3. Step 3: Cross multiply
    238,816.83x = 329,614.32 × 136,910.70
  4. Step 4: Simplify right side
    238,816.83x = 45,127,727,281.22
  5. Step 5: Solve for x
    x = 45,127,727,281.22/238,816.83
  6. Step 6: Final answer
    x = 188,963.76

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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.