Home / 124,517.02-186,902.66-91,137.94

Finding the Fourth Proportional to 124,517.02, 186,902.66 and 91,137.94

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Solution

The fourth proportional to 124,517.02, 186,902.66 and 91,137.94 is: 136,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,517.02 : 186,902.66 = 91,137.94 : x
  2. Step 2: Convert to fraction form
    124,517.02/186,902.66 = 91,137.94/x
  3. Step 3: Cross multiply
    124,517.02x = 186,902.66 × 91,137.94
  4. Step 4: Simplify right side
    124,517.02x = 17,033,923,412.92
  5. Step 5: Solve for x
    x = 17,033,923,412.92/124,517.02
  6. Step 6: Final answer
    x = 136,799.96

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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.