Home / 199,034.28-298,218.78-86,545.94

Finding the Fourth Proportional to 199,034.28, 298,218.78 and 86,545.94

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Solution

The fourth proportional to 199,034.28, 298,218.78 and 86,545.94 is: 129,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,034.28 : 298,218.78 = 86,545.94 : x
  2. Step 2: Convert to fraction form
    199,034.28/298,218.78 = 86,545.94/x
  3. Step 3: Cross multiply
    199,034.28x = 298,218.78 × 86,545.94
  4. Step 4: Simplify right side
    199,034.28x = 25,809,623,149.66
  5. Step 5: Solve for x
    x = 25,809,623,149.66/199,034.28
  6. Step 6: Final answer
    x = 129,674.26

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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.