Home / 144,265.85-198,957.43-120,146.48

Finding the Fourth Proportional to 144,265.85, 198,957.43 and 120,146.48

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Solution

The fourth proportional to 144,265.85, 198,957.43 and 120,146.48 is: 165,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,265.85 : 198,957.43 = 120,146.48 : x
  2. Step 2: Convert to fraction form
    144,265.85/198,957.43 = 120,146.48/x
  3. Step 3: Cross multiply
    144,265.85x = 198,957.43 × 120,146.48
  4. Step 4: Simplify right side
    144,265.85x = 23,904,034,884.35
  5. Step 5: Solve for x
    x = 23,904,034,884.35/144,265.85
  6. Step 6: Final answer
    x = 165,694.34

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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.