Home / 97,679.20-146,403.60-73,026.40

Finding the Fourth Proportional to 97,679.20, 146,403.60 and 73,026.40

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Solution

The fourth proportional to 97,679.20, 146,403.60 and 73,026.40 is: 109,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,679.20 : 146,403.60 = 73,026.40 : x
  2. Step 2: Convert to fraction form
    97,679.20/146,403.60 = 73,026.40/x
  3. Step 3: Cross multiply
    97,679.20x = 146,403.60 × 73,026.40
  4. Step 4: Simplify right side
    97,679.20x = 10,691,327,855.04
  5. Step 5: Solve for x
    x = 10,691,327,855.04/97,679.20
  6. Step 6: Final answer
    x = 109,453.47

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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.