Home / 161,179.95-222,418.54-89,557.52

Finding the Fourth Proportional to 161,179.95, 222,418.54 and 89,557.52

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Solution

The fourth proportional to 161,179.95, 222,418.54 and 89,557.52 is: 123,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,179.95 : 222,418.54 = 89,557.52 : x
  2. Step 2: Convert to fraction form
    161,179.95/222,418.54 = 89,557.52/x
  3. Step 3: Cross multiply
    161,179.95x = 222,418.54 × 89,557.52
  4. Step 4: Simplify right side
    161,179.95x = 19,919,252,844.42
  5. Step 5: Solve for x
    x = 19,919,252,844.42/161,179.95
  6. Step 6: Final answer
    x = 123,583.94

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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.