Home / 198,815.70-297,567.45-154,200.90

Finding the Fourth Proportional to 198,815.70, 297,567.45 and 154,200.90

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Solution

The fourth proportional to 198,815.70, 297,567.45 and 154,200.90 is: 230,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,815.70 : 297,567.45 = 154,200.90 : x
  2. Step 2: Convert to fraction form
    198,815.70/297,567.45 = 154,200.90/x
  3. Step 3: Cross multiply
    198,815.70x = 297,567.45 × 154,200.90
  4. Step 4: Simplify right side
    198,815.70x = 45,885,168,600.71
  5. Step 5: Solve for x
    x = 45,885,168,600.71/198,815.70
  6. Step 6: Final answer
    x = 230,792.48

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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.