Home / 143,617.59-198,177.23-83,207.79

Finding the Fourth Proportional to 143,617.59, 198,177.23 and 83,207.79

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Solution

The fourth proportional to 143,617.59, 198,177.23 and 83,207.79 is: 114,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,617.59 : 198,177.23 = 83,207.79 : x
  2. Step 2: Convert to fraction form
    143,617.59/198,177.23 = 83,207.79/x
  3. Step 3: Cross multiply
    143,617.59x = 198,177.23 × 83,207.79
  4. Step 4: Simplify right side
    143,617.59x = 16,489,889,544.64
  5. Step 5: Solve for x
    x = 16,489,889,544.64/143,617.59
  6. Step 6: Final answer
    x = 114,818.04

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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.