Home / 124,321.36-186,315.96-45,361.36

Finding the Fourth Proportional to 124,321.36, 186,315.96 and 45,361.36

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Solution

The fourth proportional to 124,321.36, 186,315.96 and 45,361.36 is: 67,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,321.36 : 186,315.96 = 45,361.36 : x
  2. Step 2: Convert to fraction form
    124,321.36/186,315.96 = 45,361.36/x
  3. Step 3: Cross multiply
    124,321.36x = 186,315.96 × 45,361.36
  4. Step 4: Simplify right side
    124,321.36x = 8,451,545,335.31
  5. Step 5: Solve for x
    x = 8,451,545,335.31/124,321.36
  6. Step 6: Final answer
    x = 67,981.44

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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.