Home / 160,749.28-221,833.62-89,127.48

Finding the Fourth Proportional to 160,749.28, 221,833.62 and 89,127.48

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Solution

The fourth proportional to 160,749.28, 221,833.62 and 89,127.48 is: 122,995.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,749.28 : 221,833.62 = 89,127.48 : x
  2. Step 2: Convert to fraction form
    160,749.28/221,833.62 = 89,127.48/x
  3. Step 3: Cross multiply
    160,749.28x = 221,833.62 × 89,127.48
  4. Step 4: Simplify right side
    160,749.28x = 19,771,471,529.88
  5. Step 5: Solve for x
    x = 19,771,471,529.88/160,749.28
  6. Step 6: Final answer
    x = 122,995.71

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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.