Home / 108,268.13-149,410.23-60,521.51

Finding the Fourth Proportional to 108,268.13, 149,410.23 and 60,521.51

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Solution

The fourth proportional to 108,268.13, 149,410.23 and 60,521.51 is: 83,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,268.13 : 149,410.23 = 60,521.51 : x
  2. Step 2: Convert to fraction form
    108,268.13/149,410.23 = 60,521.51/x
  3. Step 3: Cross multiply
    108,268.13x = 149,410.23 × 60,521.51
  4. Step 4: Simplify right side
    108,268.13x = 9,042,532,729.05
  5. Step 5: Solve for x
    x = 9,042,532,729.05/108,268.13
  6. Step 6: Final answer
    x = 83,519.80

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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.