Home / 124,611.20-186,800.15-69,090.56

Finding the Fourth Proportional to 124,611.20, 186,800.15 and 69,090.56

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Solution

The fourth proportional to 124,611.20, 186,800.15 and 69,090.56 is: 103,571.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,611.20 : 186,800.15 = 69,090.56 : x
  2. Step 2: Convert to fraction form
    124,611.20/186,800.15 = 69,090.56/x
  3. Step 3: Cross multiply
    124,611.20x = 186,800.15 × 69,090.56
  4. Step 4: Simplify right side
    124,611.20x = 12,906,125,692.13
  5. Step 5: Solve for x
    x = 12,906,125,692.13/124,611.20
  6. Step 6: Final answer
    x = 103,571.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.