Home / 283,538.20-391,109.70-168,739.88

Finding the Fourth Proportional to 283,538.20, 391,109.70 and 168,739.88

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Solution

The fourth proportional to 283,538.20, 391,109.70 and 168,739.88 is: 232,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,538.20 : 391,109.70 = 168,739.88 : x
  2. Step 2: Convert to fraction form
    283,538.20/391,109.70 = 168,739.88/x
  3. Step 3: Cross multiply
    283,538.20x = 391,109.70 × 168,739.88
  4. Step 4: Simplify right side
    283,538.20x = 65,995,803,844.84
  5. Step 5: Solve for x
    x = 65,995,803,844.84/283,538.20
  6. Step 6: Final answer
    x = 232,758.07

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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.