Home / 144,184.64-198,944.38-83,724.00

Finding the Fourth Proportional to 144,184.64, 198,944.38 and 83,724.00

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Solution

The fourth proportional to 144,184.64, 198,944.38 and 83,724.00 is: 115,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,184.64 : 198,944.38 = 83,724.00 : x
  2. Step 2: Convert to fraction form
    144,184.64/198,944.38 = 83,724.00/x
  3. Step 3: Cross multiply
    144,184.64x = 198,944.38 × 83,724.00
  4. Step 4: Simplify right side
    144,184.64x = 16,656,419,343.72
  5. Step 5: Solve for x
    x = 16,656,419,343.72/144,184.64
  6. Step 6: Final answer
    x = 115,521.46

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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.