Home / 347,146.16-520,377.65-202,868.85

Finding the Fourth Proportional to 347,146.16, 520,377.65 and 202,868.85

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Solution

The fourth proportional to 347,146.16, 520,377.65 and 202,868.85 is: 304,103.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,146.16 : 520,377.65 = 202,868.85 : x
  2. Step 2: Convert to fraction form
    347,146.16/520,377.65 = 202,868.85/x
  3. Step 3: Cross multiply
    347,146.16x = 520,377.65 × 202,868.85
  4. Step 4: Simplify right side
    347,146.16x = 105,568,417,119.03
  5. Step 5: Solve for x
    x = 105,568,417,119.03/347,146.16
  6. Step 6: Final answer
    x = 304,103.66

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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.