Home / 356,112.40-534,514.20-178,819.60

Finding the Fourth Proportional to 356,112.40, 534,514.20 and 178,819.60

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Solution

The fourth proportional to 356,112.40, 534,514.20 and 178,819.60 is: 268,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,112.40 : 534,514.20 = 178,819.60 : x
  2. Step 2: Convert to fraction form
    356,112.40/534,514.20 = 178,819.60/x
  3. Step 3: Cross multiply
    356,112.40x = 534,514.20 × 178,819.60
  4. Step 4: Simplify right side
    356,112.40x = 95,581,615,438.32
  5. Step 5: Solve for x
    x = 95,581,615,438.32/356,112.40
  6. Step 6: Final answer
    x = 268,402.94

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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.