Home / 261,977.38-361,567.87-160,061.76

Finding the Fourth Proportional to 261,977.38, 361,567.87 and 160,061.76

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Solution

The fourth proportional to 261,977.38, 361,567.87 and 160,061.76 is: 220,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,977.38 : 361,567.87 = 160,061.76 : x
  2. Step 2: Convert to fraction form
    261,977.38/361,567.87 = 160,061.76/x
  3. Step 3: Cross multiply
    261,977.38x = 361,567.87 × 160,061.76
  4. Step 4: Simplify right side
    261,977.38x = 57,873,189,231.50
  5. Step 5: Solve for x
    x = 57,873,189,231.50/261,977.38
  6. Step 6: Final answer
    x = 220,909.11

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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.