Home / 144,010.52-198,770.96-85,929.72

Finding the Fourth Proportional to 144,010.52, 198,770.96 and 85,929.72

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Solution

The fourth proportional to 144,010.52, 198,770.96 and 85,929.72 is: 118,604.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010.52 : 198,770.96 = 85,929.72 : x
  2. Step 2: Convert to fraction form
    144,010.52/198,770.96 = 85,929.72/x
  3. Step 3: Cross multiply
    144,010.52x = 198,770.96 × 85,929.72
  4. Step 4: Simplify right side
    144,010.52x = 17,080,332,936.93
  5. Step 5: Solve for x
    x = 17,080,332,936.93/144,010.52
  6. Step 6: Final answer
    x = 118,604.76

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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.