Home / 161,177.25-222,420.21-89,555.43

Finding the Fourth Proportional to 161,177.25, 222,420.21 and 89,555.43

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Solution

The fourth proportional to 161,177.25, 222,420.21 and 89,555.43 is: 123,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,177.25 : 222,420.21 = 89,555.43 : x
  2. Step 2: Convert to fraction form
    161,177.25/222,420.21 = 89,555.43/x
  3. Step 3: Cross multiply
    161,177.25x = 222,420.21 × 89,555.43
  4. Step 4: Simplify right side
    161,177.25x = 19,918,938,045.48
  5. Step 5: Solve for x
    x = 19,918,938,045.48/161,177.25
  6. Step 6: Final answer
    x = 123,584.05

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1.5x scale

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.