Home / 157,163.69-216,890.59-96,769.18

Finding the Fourth Proportional to 157,163.69, 216,890.59 and 96,769.18

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Solution

The fourth proportional to 157,163.69, 216,890.59 and 96,769.18 is: 133,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,163.69 : 216,890.59 = 96,769.18 : x
  2. Step 2: Convert to fraction form
    157,163.69/216,890.59 = 96,769.18/x
  3. Step 3: Cross multiply
    157,163.69x = 216,890.59 × 96,769.18
  4. Step 4: Simplify right side
    157,163.69x = 20,988,324,544.02
  5. Step 5: Solve for x
    x = 20,988,324,544.02/157,163.69
  6. Step 6: Final answer
    x = 133,544.36

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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.