Home / 231,148.20-346,722.30-112,837.80

Finding the Fourth Proportional to 231,148.20, 346,722.30 and 112,837.80

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Solution

The fourth proportional to 231,148.20, 346,722.30 and 112,837.80 is: 169,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,148.20 : 346,722.30 = 112,837.80 : x
  2. Step 2: Convert to fraction form
    231,148.20/346,722.30 = 112,837.80/x
  3. Step 3: Cross multiply
    231,148.20x = 346,722.30 × 112,837.80
  4. Step 4: Simplify right side
    231,148.20x = 39,123,381,542.94
  5. Step 5: Solve for x
    x = 39,123,381,542.94/231,148.20
  6. Step 6: Final answer
    x = 169,256.70

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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.