Home / 108,165.18-149,253.12-60,412.44

Finding the Fourth Proportional to 108,165.18, 149,253.12 and 60,412.44

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Solution

The fourth proportional to 108,165.18, 149,253.12 and 60,412.44 is: 83,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165.18 : 149,253.12 = 60,412.44 : x
  2. Step 2: Convert to fraction form
    108,165.18/149,253.12 = 60,412.44/x
  3. Step 3: Cross multiply
    108,165.18x = 149,253.12 × 60,412.44
  4. Step 4: Simplify right side
    108,165.18x = 9,016,745,156.81
  5. Step 5: Solve for x
    x = 9,016,745,156.81/108,165.18
  6. Step 6: Final answer
    x = 83,360.89

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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.