Home / 379,319.51-568,854.18-126,530.34

Finding the Fourth Proportional to 379,319.51, 568,854.18 and 126,530.34

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Solution

The fourth proportional to 379,319.51, 568,854.18 and 126,530.34 is: 189,753.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,319.51 : 568,854.18 = 126,530.34 : x
  2. Step 2: Convert to fraction form
    379,319.51/568,854.18 = 126,530.34/x
  3. Step 3: Cross multiply
    379,319.51x = 568,854.18 × 126,530.34
  4. Step 4: Simplify right side
    379,319.51x = 71,977,312,805.82
  5. Step 5: Solve for x
    x = 71,977,312,805.82/379,319.51
  6. Step 6: Final answer
    x = 189,753.79

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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.