Home / 108,174.06-149,278.77-59,775.90

Finding the Fourth Proportional to 108,174.06, 149,278.77 and 59,775.90

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Solution

The fourth proportional to 108,174.06, 149,278.77 and 59,775.90 is: 82,489.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,174.06 : 149,278.77 = 59,775.90 : x
  2. Step 2: Convert to fraction form
    108,174.06/149,278.77 = 59,775.90/x
  3. Step 3: Cross multiply
    108,174.06x = 149,278.77 × 59,775.90
  4. Step 4: Simplify right side
    108,174.06x = 8,923,272,855.81
  5. Step 5: Solve for x
    x = 8,923,272,855.81/108,174.06
  6. Step 6: Final answer
    x = 82,489.95

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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.