Home / 114,984.24-158,542.50-78,703.14

Finding the Fourth Proportional to 114,984.24, 158,542.50 and 78,703.14

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Solution

The fourth proportional to 114,984.24, 158,542.50 and 78,703.14 is: 108,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,984.24 : 158,542.50 = 78,703.14 : x
  2. Step 2: Convert to fraction form
    114,984.24/158,542.50 = 78,703.14/x
  3. Step 3: Cross multiply
    114,984.24x = 158,542.50 × 78,703.14
  4. Step 4: Simplify right side
    114,984.24x = 12,477,792,573.45
  5. Step 5: Solve for x
    x = 12,477,792,573.45/114,984.24
  6. Step 6: Final answer
    x = 108,517.42

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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.