Home / 164,743.28-227,345.64-89,291.76

Finding the Fourth Proportional to 164,743.28, 227,345.64 and 89,291.76

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Solution

The fourth proportional to 164,743.28, 227,345.64 and 89,291.76 is: 123,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,743.28 : 227,345.64 = 89,291.76 : x
  2. Step 2: Convert to fraction form
    164,743.28/227,345.64 = 89,291.76/x
  3. Step 3: Cross multiply
    164,743.28x = 227,345.64 × 89,291.76
  4. Step 4: Simplify right side
    164,743.28x = 20,300,092,323.93
  5. Step 5: Solve for x
    x = 20,300,092,323.93/164,743.28
  6. Step 6: Final answer
    x = 123,222.58

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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.