Home / 319,819.24-441,350.45-183,879.78

Finding the Fourth Proportional to 319,819.24, 441,350.45 and 183,879.78

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Solution

The fourth proportional to 319,819.24, 441,350.45 and 183,879.78 is: 253,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,819.24 : 441,350.45 = 183,879.78 : x
  2. Step 2: Convert to fraction form
    319,819.24/441,350.45 = 183,879.78/x
  3. Step 3: Cross multiply
    319,819.24x = 441,350.45 × 183,879.78
  4. Step 4: Simplify right side
    319,819.24x = 81,155,423,648.90
  5. Step 5: Solve for x
    x = 81,155,423,648.90/319,819.24
  6. Step 6: Final answer
    x = 253,754.04

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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.