Home / 97,734.20-146,601.30-74,406.20

Finding the Fourth Proportional to 97,734.20, 146,601.30 and 74,406.20

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Solution

The fourth proportional to 97,734.20, 146,601.30 and 74,406.20 is: 111,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,734.20 : 146,601.30 = 74,406.20 : x
  2. Step 2: Convert to fraction form
    97,734.20/146,601.30 = 74,406.20/x
  3. Step 3: Cross multiply
    97,734.20x = 146,601.30 × 74,406.20
  4. Step 4: Simplify right side
    97,734.20x = 10,908,045,648.06
  5. Step 5: Solve for x
    x = 10,908,045,648.06/97,734.20
  6. Step 6: Final answer
    x = 111,609.30

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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.