Home / 114,965.25-158,655.07-63,981.42

Finding the Fourth Proportional to 114,965.25, 158,655.07 and 63,981.42

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Solution

The fourth proportional to 114,965.25, 158,655.07 and 63,981.42 is: 88,296.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,965.25 : 158,655.07 = 63,981.42 : x
  2. Step 2: Convert to fraction form
    114,965.25/158,655.07 = 63,981.42/x
  3. Step 3: Cross multiply
    114,965.25x = 158,655.07 × 63,981.42
  4. Step 4: Simplify right side
    114,965.25x = 10,150,976,668.80
  5. Step 5: Solve for x
    x = 10,150,976,668.80/114,965.25
  6. Step 6: Final answer
    x = 88,296.04

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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.