Home / 199,306.45-298,626.90-140,036.05

Finding the Fourth Proportional to 199,306.45, 298,626.90 and 140,036.05

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Solution

The fourth proportional to 199,306.45, 298,626.90 and 140,036.05 is: 209,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,306.45 : 298,626.90 = 140,036.05 : x
  2. Step 2: Convert to fraction form
    199,306.45/298,626.90 = 140,036.05/x
  3. Step 3: Cross multiply
    199,306.45x = 298,626.90 × 140,036.05
  4. Step 4: Simplify right side
    199,306.45x = 41,818,531,499.75
  5. Step 5: Solve for x
    x = 41,818,531,499.75/199,306.45
  6. Step 6: Final answer
    x = 209,820.26

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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.