Home / 127,945.62-191,918.43-124,446.42

Finding the Fourth Proportional to 127,945.62, 191,918.43 and 124,446.42

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Solution

The fourth proportional to 127,945.62, 191,918.43 and 124,446.42 is: 186,669.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,945.62 : 191,918.43 = 124,446.42 : x
  2. Step 2: Convert to fraction form
    127,945.62/191,918.43 = 124,446.42/x
  3. Step 3: Cross multiply
    127,945.62x = 191,918.43 × 124,446.42
  4. Step 4: Simplify right side
    127,945.62x = 23,883,561,545.52
  5. Step 5: Solve for x
    x = 23,883,561,545.52/127,945.62
  6. Step 6: Final answer
    x = 186,669.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.