Home / 108,199.80-149,322.96-60,459.84

Finding the Fourth Proportional to 108,199.80, 149,322.96 and 60,459.84

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Solution

The fourth proportional to 108,199.80, 149,322.96 and 60,459.84 is: 83,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,199.80 : 149,322.96 = 60,459.84 : x
  2. Step 2: Convert to fraction form
    108,199.80/149,322.96 = 60,459.84/x
  3. Step 3: Cross multiply
    108,199.80x = 149,322.96 × 60,459.84
  4. Step 4: Simplify right side
    108,199.80x = 9,028,042,269.93
  5. Step 5: Solve for x
    x = 9,028,042,269.93/108,199.80
  6. Step 6: Final answer
    x = 83,438.62

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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.