Home / 199,002.30-298,503.45-74,336.70

Finding the Fourth Proportional to 199,002.30, 298,503.45 and 74,336.70

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Solution

The fourth proportional to 199,002.30, 298,503.45 and 74,336.70 is: 111,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,002.30 : 298,503.45 = 74,336.70 : x
  2. Step 2: Convert to fraction form
    199,002.30/298,503.45 = 74,336.70/x
  3. Step 3: Cross multiply
    199,002.30x = 298,503.45 × 74,336.70
  4. Step 4: Simplify right side
    199,002.30x = 22,189,761,411.62
  5. Step 5: Solve for x
    x = 22,189,761,411.62/199,002.30
  6. Step 6: Final answer
    x = 111,505.05

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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.