Home / 164,733.28-227,331.84-89,281.76

Finding the Fourth Proportional to 164,733.28, 227,331.84 and 89,281.76

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Solution

The fourth proportional to 164,733.28, 227,331.84 and 89,281.76 is: 123,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,733.28 : 227,331.84 = 89,281.76 : x
  2. Step 2: Convert to fraction form
    164,733.28/227,331.84 = 89,281.76/x
  3. Step 3: Cross multiply
    164,733.28x = 227,331.84 × 89,281.76
  4. Step 4: Simplify right side
    164,733.28x = 20,296,586,779.24
  5. Step 5: Solve for x
    x = 20,296,586,779.24/164,733.28
  6. Step 6: Final answer
    x = 123,208.78

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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.