Home / 107,391.40-161,010.30-48,178.60

Finding the Fourth Proportional to 107,391.40, 161,010.30 and 48,178.60

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Solution

The fourth proportional to 107,391.40, 161,010.30 and 48,178.60 is: 72,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,391.40 : 161,010.30 = 48,178.60 : x
  2. Step 2: Convert to fraction form
    107,391.40/161,010.30 = 48,178.60/x
  3. Step 3: Cross multiply
    107,391.40x = 161,010.30 × 48,178.60
  4. Step 4: Simplify right side
    107,391.40x = 7,757,250,839.58
  5. Step 5: Solve for x
    x = 7,757,250,839.58/107,391.40
  6. Step 6: Final answer
    x = 72,233.45

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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.