Home / 144,387.12-199,174.23-83,951.09

Finding the Fourth Proportional to 144,387.12, 199,174.23 and 83,951.09

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Solution

The fourth proportional to 144,387.12, 199,174.23 and 83,951.09 is: 115,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,387.12 : 199,174.23 = 83,951.09 : x
  2. Step 2: Convert to fraction form
    144,387.12/199,174.23 = 83,951.09/x
  3. Step 3: Cross multiply
    144,387.12x = 199,174.23 × 83,951.09
  4. Step 4: Simplify right side
    144,387.12x = 16,720,892,922.42
  5. Step 5: Solve for x
    x = 16,720,892,922.42/144,387.12
  6. Step 6: Final answer
    x = 115,805.98

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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.