Home / 116,907.82-161,332.80-63,192.66

Finding the Fourth Proportional to 116,907.82, 161,332.80 and 63,192.66

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Solution

The fourth proportional to 116,907.82, 161,332.80 and 63,192.66 is: 87,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,907.82 : 161,332.80 = 63,192.66 : x
  2. Step 2: Convert to fraction form
    116,907.82/161,332.80 = 63,192.66/x
  3. Step 3: Cross multiply
    116,907.82x = 161,332.80 × 63,192.66
  4. Step 4: Simplify right side
    116,907.82x = 10,195,048,777.25
  5. Step 5: Solve for x
    x = 10,195,048,777.25/116,907.82
  6. Step 6: Final answer
    x = 87,205.88

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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.