Home / 160,956.14-222,115.20-89,334.32

Finding the Fourth Proportional to 160,956.14, 222,115.20 and 89,334.32

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Solution

The fourth proportional to 160,956.14, 222,115.20 and 89,334.32 is: 123,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,956.14 : 222,115.20 = 89,334.32 : x
  2. Step 2: Convert to fraction form
    160,956.14/222,115.20 = 89,334.32/x
  3. Step 3: Cross multiply
    160,956.14x = 222,115.20 × 89,334.32
  4. Step 4: Simplify right side
    160,956.14x = 19,842,510,353.66
  5. Step 5: Solve for x
    x = 19,842,510,353.66/160,956.14
  6. Step 6: Final answer
    x = 123,278.99

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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.