Home / 114,769.13-158,378.22-63,780.54

Finding the Fourth Proportional to 114,769.13, 158,378.22 and 63,780.54

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Solution

The fourth proportional to 114,769.13, 158,378.22 and 63,780.54 is: 88,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,769.13 : 158,378.22 = 63,780.54 : x
  2. Step 2: Convert to fraction form
    114,769.13/158,378.22 = 63,780.54/x
  3. Step 3: Cross multiply
    114,769.13x = 158,378.22 × 63,780.54
  4. Step 4: Simplify right side
    114,769.13x = 10,101,448,395.84
  5. Step 5: Solve for x
    x = 10,101,448,395.84/114,769.13
  6. Step 6: Final answer
    x = 88,015.38

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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.