Home / 110,236.96-152,197.20-72,576.16

Finding the Fourth Proportional to 110,236.96, 152,197.20 and 72,576.16

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Solution

The fourth proportional to 110,236.96, 152,197.20 and 72,576.16 is: 100,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,236.96 : 152,197.20 = 72,576.16 : x
  2. Step 2: Convert to fraction form
    110,236.96/152,197.20 = 72,576.16/x
  3. Step 3: Cross multiply
    110,236.96x = 152,197.20 × 72,576.16
  4. Step 4: Simplify right side
    110,236.96x = 11,045,888,338.75
  5. Step 5: Solve for x
    x = 11,045,888,338.75/110,236.96
  6. Step 6: Final answer
    x = 100,201.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.