Home / 108,177.12-162,349.38-70,727.04

Finding the Fourth Proportional to 108,177.12, 162,349.38 and 70,727.04

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Solution

The fourth proportional to 108,177.12, 162,349.38 and 70,727.04 is: 106,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,177.12 : 162,349.38 = 70,727.04 : x
  2. Step 2: Convert to fraction form
    108,177.12/162,349.38 = 70,727.04/x
  3. Step 3: Cross multiply
    108,177.12x = 162,349.38 × 70,727.04
  4. Step 4: Simplify right side
    108,177.12x = 11,482,491,093.24
  5. Step 5: Solve for x
    x = 11,482,491,093.24/108,177.12
  6. Step 6: Final answer
    x = 106,145.28

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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.