Home / 108,256.50-149,396.67-60,517.80

Finding the Fourth Proportional to 108,256.50, 149,396.67 and 60,517.80

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Solution

The fourth proportional to 108,256.50, 149,396.67 and 60,517.80 is: 83,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,256.50 : 149,396.67 = 60,517.80 : x
  2. Step 2: Convert to fraction form
    108,256.50/149,396.67 = 60,517.80/x
  3. Step 3: Cross multiply
    108,256.50x = 149,396.67 × 60,517.80
  4. Step 4: Simplify right side
    108,256.50x = 9,041,157,795.73
  5. Step 5: Solve for x
    x = 9,041,157,795.73/108,256.50
  6. Step 6: Final answer
    x = 83,516.07

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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.