Home / 107,666.20-161,504.10-41,138.20

Finding the Fourth Proportional to 107,666.20, 161,504.10 and 41,138.20

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Solution

The fourth proportional to 107,666.20, 161,504.10 and 41,138.20 is: 61,709.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,666.20 : 161,504.10 = 41,138.20 : x
  2. Step 2: Convert to fraction form
    107,666.20/161,504.10 = 41,138.20/x
  3. Step 3: Cross multiply
    107,666.20x = 161,504.10 × 41,138.20
  4. Step 4: Simplify right side
    107,666.20x = 6,643,987,966.62
  5. Step 5: Solve for x
    x = 6,643,987,966.62/107,666.20
  6. Step 6: Final answer
    x = 61,709.13

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1.5x scale

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.