Home / 215,446.29-297,315.89-124,819.77

Finding the Fourth Proportional to 215,446.29, 297,315.89 and 124,819.77

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Solution

The fourth proportional to 215,446.29, 297,315.89 and 124,819.77 is: 172,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,446.29 : 297,315.89 = 124,819.77 : x
  2. Step 2: Convert to fraction form
    215,446.29/297,315.89 = 124,819.77/x
  3. Step 3: Cross multiply
    215,446.29x = 297,315.89 × 124,819.77
  4. Step 4: Simplify right side
    215,446.29x = 37,110,901,007.15
  5. Step 5: Solve for x
    x = 37,110,901,007.15/215,446.29
  6. Step 6: Final answer
    x = 172,251.29

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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.