Home / 144,309.39-215,407.24-127,265.48

Finding the Fourth Proportional to 144,309.39, 215,407.24 and 127,265.48

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Solution

The fourth proportional to 144,309.39, 215,407.24 and 127,265.48 is: 189,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,309.39 : 215,407.24 = 127,265.48 : x
  2. Step 2: Convert to fraction form
    144,309.39/215,407.24 = 127,265.48/x
  3. Step 3: Cross multiply
    144,309.39x = 215,407.24 × 127,265.48
  4. Step 4: Simplify right side
    144,309.39x = 27,413,906,170.42
  5. Step 5: Solve for x
    x = 27,413,906,170.42/144,309.39
  6. Step 6: Final answer
    x = 189,966.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.