Home / 144,291.13-199,149.15-95,146.25

Finding the Fourth Proportional to 144,291.13, 199,149.15 and 95,146.25

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Solution

The fourth proportional to 144,291.13, 199,149.15 and 95,146.25 is: 131,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,291.13 : 199,149.15 = 95,146.25 : x
  2. Step 2: Convert to fraction form
    144,291.13/199,149.15 = 95,146.25/x
  3. Step 3: Cross multiply
    144,291.13x = 199,149.15 × 95,146.25
  4. Step 4: Simplify right side
    144,291.13x = 18,948,294,759.26
  5. Step 5: Solve for x
    x = 18,948,294,759.26/144,291.13
  6. Step 6: Final answer
    x = 131,319.89

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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.