Home / 119,567.22-165,003.24-71,821.38

Finding the Fourth Proportional to 119,567.22, 165,003.24 and 71,821.38

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Solution

The fourth proportional to 119,567.22, 165,003.24 and 71,821.38 is: 99,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,567.22 : 165,003.24 = 71,821.38 : x
  2. Step 2: Convert to fraction form
    119,567.22/165,003.24 = 71,821.38/x
  3. Step 3: Cross multiply
    119,567.22x = 165,003.24 × 71,821.38
  4. Step 4: Simplify right side
    119,567.22x = 11,850,760,401.27
  5. Step 5: Solve for x
    x = 11,850,760,401.27/119,567.22
  6. Step 6: Final answer
    x = 99,113.79

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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.