Home / 161,227.40-222,492.21-89,605.88

Finding the Fourth Proportional to 161,227.40, 222,492.21 and 89,605.88

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Solution

The fourth proportional to 161,227.40, 222,492.21 and 89,605.88 is: 123,655.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,227.40 : 222,492.21 = 89,605.88 : x
  2. Step 2: Convert to fraction form
    161,227.40/222,492.21 = 89,605.88/x
  3. Step 3: Cross multiply
    161,227.40x = 222,492.21 × 89,605.88
  4. Step 4: Simplify right side
    161,227.40x = 19,936,610,907.58
  5. Step 5: Solve for x
    x = 19,936,610,907.58/161,227.40
  6. Step 6: Final answer
    x = 123,655.23

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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.