Home / 161,433.03-222,766.56-89,810.40

Finding the Fourth Proportional to 161,433.03, 222,766.56 and 89,810.40

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Solution

The fourth proportional to 161,433.03, 222,766.56 and 89,810.40 is: 123,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,433.03 : 222,766.56 = 89,810.40 : x
  2. Step 2: Convert to fraction form
    161,433.03/222,766.56 = 89,810.40/x
  3. Step 3: Cross multiply
    161,433.03x = 222,766.56 × 89,810.40
  4. Step 4: Simplify right side
    161,433.03x = 20,006,753,860.22
  5. Step 5: Solve for x
    x = 20,006,753,860.22/161,433.03
  6. Step 6: Final answer
    x = 123,932.22

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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.