Home / 159,933.24-220,707.84-88,313.40

Finding the Fourth Proportional to 159,933.24, 220,707.84 and 88,313.40

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Solution

The fourth proportional to 159,933.24, 220,707.84 and 88,313.40 is: 121,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,933.24 : 220,707.84 = 88,313.40 : x
  2. Step 2: Convert to fraction form
    159,933.24/220,707.84 = 88,313.40/x
  3. Step 3: Cross multiply
    159,933.24x = 220,707.84 × 88,313.40
  4. Step 4: Simplify right side
    159,933.24x = 19,491,459,757.06
  5. Step 5: Solve for x
    x = 19,491,459,757.06/159,933.24
  6. Step 6: Final answer
    x = 121,872.47

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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.