Home / 142,049.52-195,945.66-91,044.18

Finding the Fourth Proportional to 142,049.52, 195,945.66 and 91,044.18

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Solution

The fourth proportional to 142,049.52, 195,945.66 and 91,044.18 is: 125,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,049.52 : 195,945.66 = 91,044.18 : x
  2. Step 2: Convert to fraction form
    142,049.52/195,945.66 = 91,044.18/x
  3. Step 3: Cross multiply
    142,049.52x = 195,945.66 × 91,044.18
  4. Step 4: Simplify right side
    142,049.52x = 17,839,711,939.26
  5. Step 5: Solve for x
    x = 17,839,711,939.26/142,049.52
  6. Step 6: Final answer
    x = 125,587.98

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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.