Home / 164,995.68-247,367.88-90,179.76

Finding the Fourth Proportional to 164,995.68, 247,367.88 and 90,179.76

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Solution

The fourth proportional to 164,995.68, 247,367.88 and 90,179.76 is: 135,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,995.68 : 247,367.88 = 90,179.76 : x
  2. Step 2: Convert to fraction form
    164,995.68/247,367.88 = 90,179.76/x
  3. Step 3: Cross multiply
    164,995.68x = 247,367.88 × 90,179.76
  4. Step 4: Simplify right side
    164,995.68x = 22,307,576,050.11
  5. Step 5: Solve for x
    x = 22,307,576,050.11/164,995.68
  6. Step 6: Final answer
    x = 135,200.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.