Home / 108,125.12-149,213.40-60,379.04

Finding the Fourth Proportional to 108,125.12, 149,213.40 and 60,379.04

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Solution

The fourth proportional to 108,125.12, 149,213.40 and 60,379.04 is: 83,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,125.12 : 149,213.40 = 60,379.04 : x
  2. Step 2: Convert to fraction form
    108,125.12/149,213.40 = 60,379.04/x
  3. Step 3: Cross multiply
    108,125.12x = 149,213.40 × 60,379.04
  4. Step 4: Simplify right side
    108,125.12x = 9,009,361,847.14
  5. Step 5: Solve for x
    x = 9,009,361,847.14/108,125.12
  6. Step 6: Final answer
    x = 83,323.49

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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.