Home / 352,439.38-486,353.34-191,290.96

Finding the Fourth Proportional to 352,439.38, 486,353.34 and 191,290.96

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Solution

The fourth proportional to 352,439.38, 486,353.34 and 191,290.96 is: 263,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,439.38 : 486,353.34 = 191,290.96 : x
  2. Step 2: Convert to fraction form
    352,439.38/486,353.34 = 191,290.96/x
  3. Step 3: Cross multiply
    352,439.38x = 486,353.34 × 191,290.96
  4. Step 4: Simplify right side
    352,439.38x = 93,034,997,307.81
  5. Step 5: Solve for x
    x = 93,034,997,307.81/352,439.38
  6. Step 6: Final answer
    x = 263,974.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.