Home / 161,106.57-222,326.98-89,493.26

Finding the Fourth Proportional to 161,106.57, 222,326.98 and 89,493.26

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Solution

The fourth proportional to 161,106.57, 222,326.98 and 89,493.26 is: 123,500.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,106.57 : 222,326.98 = 89,493.26 : x
  2. Step 2: Convert to fraction form
    161,106.57/222,326.98 = 89,493.26/x
  3. Step 3: Cross multiply
    161,106.57x = 222,326.98 × 89,493.26
  4. Step 4: Simplify right side
    161,106.57x = 19,896,764,890.79
  5. Step 5: Solve for x
    x = 19,896,764,890.79/161,106.57
  6. Step 6: Final answer
    x = 123,500.64

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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.