Home / 108,381.44-162,601.38-45,180.56

Finding the Fourth Proportional to 108,381.44, 162,601.38 and 45,180.56

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Solution

The fourth proportional to 108,381.44, 162,601.38 and 45,180.56 is: 67,783.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,381.44 : 162,601.38 = 45,180.56 : x
  2. Step 2: Convert to fraction form
    108,381.44/162,601.38 = 45,180.56/x
  3. Step 3: Cross multiply
    108,381.44x = 162,601.38 × 45,180.56
  4. Step 4: Simplify right side
    108,381.44x = 7,346,421,405.17
  5. Step 5: Solve for x
    x = 7,346,421,405.17/108,381.44
  6. Step 6: Final answer
    x = 67,783.02

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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.