Home / 159,643.07-220,317.27-88,022.87

Finding the Fourth Proportional to 159,643.07, 220,317.27 and 88,022.87

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Solution

The fourth proportional to 159,643.07, 220,317.27 and 88,022.87 is: 121,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,643.07 : 220,317.27 = 88,022.87 : x
  2. Step 2: Convert to fraction form
    159,643.07/220,317.27 = 88,022.87/x
  3. Step 3: Cross multiply
    159,643.07x = 220,317.27 × 88,022.87
  4. Step 4: Simplify right side
    159,643.07x = 19,392,958,415.96
  5. Step 5: Solve for x
    x = 19,392,958,415.96/159,643.07
  6. Step 6: Final answer
    x = 121,476.98

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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.