Home / 107,895.20-161,842.80-104,266.40

Finding the Fourth Proportional to 107,895.20, 161,842.80 and 104,266.40

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Solution

The fourth proportional to 107,895.20, 161,842.80 and 104,266.40 is: 156,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,895.20 : 161,842.80 = 104,266.40 : x
  2. Step 2: Convert to fraction form
    107,895.20/161,842.80 = 104,266.40/x
  3. Step 3: Cross multiply
    107,895.20x = 161,842.80 × 104,266.40
  4. Step 4: Simplify right side
    107,895.20x = 16,874,766,121.92
  5. Step 5: Solve for x
    x = 16,874,766,121.92/107,895.20
  6. Step 6: Final answer
    x = 156,399.60

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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.