Home / 124,218.66-186,291.09-45,314.44

Finding the Fourth Proportional to 124,218.66, 186,291.09 and 45,314.44

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Solution

The fourth proportional to 124,218.66, 186,291.09 and 45,314.44 is: 67,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,218.66 : 186,291.09 = 45,314.44 : x
  2. Step 2: Convert to fraction form
    124,218.66/186,291.09 = 45,314.44/x
  3. Step 3: Cross multiply
    124,218.66x = 186,291.09 × 45,314.44
  4. Step 4: Simplify right side
    124,218.66x = 8,441,675,954.61
  5. Step 5: Solve for x
    x = 8,441,675,954.61/124,218.66
  6. Step 6: Final answer
    x = 67,958.19

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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.