Home / 108,218.56-149,331.90-60,465.28

Finding the Fourth Proportional to 108,218.56, 149,331.90 and 60,465.28

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Solution

The fourth proportional to 108,218.56, 149,331.90 and 60,465.28 is: 83,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,218.56 : 149,331.90 = 60,465.28 : x
  2. Step 2: Convert to fraction form
    108,218.56/149,331.90 = 60,465.28/x
  3. Step 3: Cross multiply
    108,218.56x = 149,331.90 × 60,465.28
  4. Step 4: Simplify right side
    108,218.56x = 9,029,395,146.43
  5. Step 5: Solve for x
    x = 9,029,395,146.43/108,218.56
  6. Step 6: Final answer
    x = 83,436.66

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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.