Home / 199,218.06-298,920.33-99,385.97

Finding the Fourth Proportional to 199,218.06, 298,920.33 and 99,385.97

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Solution

The fourth proportional to 199,218.06, 298,920.33 and 99,385.97 is: 149,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,218.06 : 298,920.33 = 99,385.97 : x
  2. Step 2: Convert to fraction form
    199,218.06/298,920.33 = 99,385.97/x
  3. Step 3: Cross multiply
    199,218.06x = 298,920.33 × 99,385.97
  4. Step 4: Simplify right side
    199,218.06x = 29,708,485,455.17
  5. Step 5: Solve for x
    x = 29,708,485,455.17/199,218.06
  6. Step 6: Final answer
    x = 149,125.46

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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.