Home / 347,268.20-520,902.30-147,595.10

Finding the Fourth Proportional to 347,268.20, 520,902.30 and 147,595.10

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Solution

The fourth proportional to 347,268.20, 520,902.30 and 147,595.10 is: 221,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,268.20 : 520,902.30 = 147,595.10 : x
  2. Step 2: Convert to fraction form
    347,268.20/520,902.30 = 147,595.10/x
  3. Step 3: Cross multiply
    347,268.20x = 520,902.30 × 147,595.10
  4. Step 4: Simplify right side
    347,268.20x = 76,882,627,058.73
  5. Step 5: Solve for x
    x = 76,882,627,058.73/347,268.20
  6. Step 6: Final answer
    x = 221,392.65

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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.