Home / 108,306.20-162,211.38-66,093.34

Finding the Fourth Proportional to 108,306.20, 162,211.38 and 66,093.34

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Solution

The fourth proportional to 108,306.20, 162,211.38 and 66,093.34 is: 98,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,306.20 : 162,211.38 = 66,093.34 : x
  2. Step 2: Convert to fraction form
    108,306.20/162,211.38 = 66,093.34/x
  3. Step 3: Cross multiply
    108,306.20x = 162,211.38 × 66,093.34
  4. Step 4: Simplify right side
    108,306.20x = 10,721,091,236.83
  5. Step 5: Solve for x
    x = 10,721,091,236.83/108,306.20
  6. Step 6: Final answer
    x = 98,988.72

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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.