Home / 107,437.46-161,156.19-40,862.21

Finding the Fourth Proportional to 107,437.46, 161,156.19 and 40,862.21

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Solution

The fourth proportional to 107,437.46, 161,156.19 and 40,862.21 is: 61,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,437.46 : 161,156.19 = 40,862.21 : x
  2. Step 2: Convert to fraction form
    107,437.46/161,156.19 = 40,862.21/x
  3. Step 3: Cross multiply
    107,437.46x = 161,156.19 × 40,862.21
  4. Step 4: Simplify right side
    107,437.46x = 6,585,198,078.58
  5. Step 5: Solve for x
    x = 6,585,198,078.58/107,437.46
  6. Step 6: Final answer
    x = 61,293.32

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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.