Home / 108,190.38-149,305.77-60,448.98

Finding the Fourth Proportional to 108,190.38, 149,305.77 and 60,448.98

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Solution

The fourth proportional to 108,190.38, 149,305.77 and 60,448.98 is: 83,421.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,190.38 : 149,305.77 = 60,448.98 : x
  2. Step 2: Convert to fraction form
    108,190.38/149,305.77 = 60,448.98/x
  3. Step 3: Cross multiply
    108,190.38x = 149,305.77 × 60,448.98
  4. Step 4: Simplify right side
    108,190.38x = 9,025,381,504.61
  5. Step 5: Solve for x
    x = 9,025,381,504.61/108,190.38
  6. Step 6: Final answer
    x = 83,421.29

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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.