Home / 97,826.20-146,739.30-74,498.20

Finding the Fourth Proportional to 97,826.20, 146,739.30 and 74,498.20

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Solution

The fourth proportional to 97,826.20, 146,739.30 and 74,498.20 is: 111,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,826.20 : 146,739.30 = 74,498.20 : x
  2. Step 2: Convert to fraction form
    97,826.20/146,739.30 = 74,498.20/x
  3. Step 3: Cross multiply
    97,826.20x = 146,739.30 × 74,498.20
  4. Step 4: Simplify right side
    97,826.20x = 10,931,813,719.26
  5. Step 5: Solve for x
    x = 10,931,813,719.26/97,826.20
  6. Step 6: Final answer
    x = 111,747.30

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Similar ratio
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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.