Home / 144,430.56-199,310.43-79,902.18

Finding the Fourth Proportional to 144,430.56, 199,310.43 and 79,902.18

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Solution

The fourth proportional to 144,430.56, 199,310.43 and 79,902.18 is: 110,262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,430.56 : 199,310.43 = 79,902.18 : x
  2. Step 2: Convert to fraction form
    144,430.56/199,310.43 = 79,902.18/x
  3. Step 3: Cross multiply
    144,430.56x = 199,310.43 × 79,902.18
  4. Step 4: Simplify right side
    144,430.56x = 15,925,337,853.74
  5. Step 5: Solve for x
    x = 15,925,337,853.74/144,430.56
  6. Step 6: Final answer
    x = 110,262.94

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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.