Home / 159,741.72-220,434.66-88,107.48

Finding the Fourth Proportional to 159,741.72, 220,434.66 and 88,107.48

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Solution

The fourth proportional to 159,741.72, 220,434.66 and 88,107.48 is: 121,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,741.72 : 220,434.66 = 88,107.48 : x
  2. Step 2: Convert to fraction form
    159,741.72/220,434.66 = 88,107.48/x
  3. Step 3: Cross multiply
    159,741.72x = 220,434.66 × 88,107.48
  4. Step 4: Simplify right side
    159,741.72x = 19,421,942,397.26
  5. Step 5: Solve for x
    x = 19,421,942,397.26/159,741.72
  6. Step 6: Final answer
    x = 121,583.41

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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.