Home / 161,227.50-222,492.35-89,605.98

Finding the Fourth Proportional to 161,227.50, 222,492.35 and 89,605.98

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Solution

The fourth proportional to 161,227.50, 222,492.35 and 89,605.98 is: 123,655.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,227.50 : 222,492.35 = 89,605.98 : x
  2. Step 2: Convert to fraction form
    161,227.50/222,492.35 = 89,605.98/x
  3. Step 3: Cross multiply
    161,227.50x = 222,492.35 × 89,605.98
  4. Step 4: Simplify right side
    161,227.50x = 19,936,644,616.22
  5. Step 5: Solve for x
    x = 19,936,644,616.22/161,227.50
  6. Step 6: Final answer
    x = 123,655.36

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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.