Home / 164,660.24-227,231.36-89,208.74

Finding the Fourth Proportional to 164,660.24, 227,231.36 and 89,208.74

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Solution

The fourth proportional to 164,660.24, 227,231.36 and 89,208.74 is: 123,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,660.24 : 227,231.36 = 89,208.74 : x
  2. Step 2: Convert to fraction form
    164,660.24/227,231.36 = 89,208.74/x
  3. Step 3: Cross multiply
    164,660.24x = 227,231.36 × 89,208.74
  4. Step 4: Simplify right side
    164,660.24x = 20,271,022,868.04
  5. Step 5: Solve for x
    x = 20,271,022,868.04/164,660.24
  6. Step 6: Final answer
    x = 123,108.18

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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.