Home / 144,046.08-198,789.96-80,384.16

Finding the Fourth Proportional to 144,046.08, 198,789.96 and 80,384.16

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Solution

The fourth proportional to 144,046.08, 198,789.96 and 80,384.16 is: 110,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,046.08 : 198,789.96 = 80,384.16 : x
  2. Step 2: Convert to fraction form
    144,046.08/198,789.96 = 80,384.16/x
  3. Step 3: Cross multiply
    144,046.08x = 198,789.96 × 80,384.16
  4. Step 4: Simplify right side
    144,046.08x = 15,979,563,951.03
  5. Step 5: Solve for x
    x = 15,979,563,951.03/144,046.08
  6. Step 6: Final answer
    x = 110,933.70

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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.