Home / 195,600.90-269,542.17-138,853.38

Finding the Fourth Proportional to 195,600.90, 269,542.17 and 138,853.38

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Solution

The fourth proportional to 195,600.90, 269,542.17 and 138,853.38 is: 191,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,600.90 : 269,542.17 = 138,853.38 : x
  2. Step 2: Convert to fraction form
    195,600.90/269,542.17 = 138,853.38/x
  3. Step 3: Cross multiply
    195,600.90x = 269,542.17 × 138,853.38
  4. Step 4: Simplify right side
    195,600.90x = 37,426,841,357.03
  5. Step 5: Solve for x
    x = 37,426,841,357.03/195,600.90
  6. Step 6: Final answer
    x = 191,342.89

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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.