Home / 107,445.95-161,201.12-43,371.10

Finding the Fourth Proportional to 107,445.95, 161,201.12 and 43,371.10

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Solution

The fourth proportional to 107,445.95, 161,201.12 and 43,371.10 is: 65,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,445.95 : 161,201.12 = 43,371.10 : x
  2. Step 2: Convert to fraction form
    107,445.95/161,201.12 = 43,371.10/x
  3. Step 3: Cross multiply
    107,445.95x = 161,201.12 × 43,371.10
  4. Step 4: Simplify right side
    107,445.95x = 6,991,469,678.78
  5. Step 5: Solve for x
    x = 6,991,469,678.78/107,445.95
  6. Step 6: Final answer
    x = 65,069.65

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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.