Home / 283,521.20-391,086.24-168,722.84

Finding the Fourth Proportional to 283,521.20, 391,086.24 and 168,722.84

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Solution

The fourth proportional to 283,521.20, 391,086.24 and 168,722.84 is: 232,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,521.20 : 391,086.24 = 168,722.84 : x
  2. Step 2: Convert to fraction form
    283,521.20/391,086.24 = 168,722.84/x
  3. Step 3: Cross multiply
    283,521.20x = 391,086.24 × 168,722.84
  4. Step 4: Simplify right side
    283,521.20x = 65,985,181,097.72
  5. Step 5: Solve for x
    x = 65,985,181,097.72/283,521.20
  6. Step 6: Final answer
    x = 232,734.56

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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.