Home / 161,071.52-222,278.16-89,449.76

Finding the Fourth Proportional to 161,071.52, 222,278.16 and 89,449.76

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Solution

The fourth proportional to 161,071.52, 222,278.16 and 89,449.76 is: 123,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,071.52 : 222,278.16 = 89,449.76 : x
  2. Step 2: Convert to fraction form
    161,071.52/222,278.16 = 89,449.76/x
  3. Step 3: Cross multiply
    161,071.52x = 222,278.16 × 89,449.76
  4. Step 4: Simplify right side
    161,071.52x = 19,882,728,065.24
  5. Step 5: Solve for x
    x = 19,882,728,065.24/161,071.52
  6. Step 6: Final answer
    x = 123,440.37

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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.