Home / 231,002.70-346,504.05-160,143.90

Finding the Fourth Proportional to 231,002.70, 346,504.05 and 160,143.90

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Solution

The fourth proportional to 231,002.70, 346,504.05 and 160,143.90 is: 240,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,002.70 : 346,504.05 = 160,143.90 : x
  2. Step 2: Convert to fraction form
    231,002.70/346,504.05 = 160,143.90/x
  3. Step 3: Cross multiply
    231,002.70x = 346,504.05 × 160,143.90
  4. Step 4: Simplify right side
    231,002.70x = 55,490,509,932.80
  5. Step 5: Solve for x
    x = 55,490,509,932.80/231,002.70
  6. Step 6: Final answer
    x = 240,215.85

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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.