Home / 108,375.16-162,415.01-52,211.18

Finding the Fourth Proportional to 108,375.16, 162,415.01 and 52,211.18

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Solution

The fourth proportional to 108,375.16, 162,415.01 and 52,211.18 is: 78,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,375.16 : 162,415.01 = 52,211.18 : x
  2. Step 2: Convert to fraction form
    108,375.16/162,415.01 = 52,211.18/x
  3. Step 3: Cross multiply
    108,375.16x = 162,415.01 × 52,211.18
  4. Step 4: Simplify right side
    108,375.16x = 8,479,879,321.81
  5. Step 5: Solve for x
    x = 8,479,879,321.81/108,375.16
  6. Step 6: Final answer
    x = 78,245.60

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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.