Home / 165,276.21-228,082.95-89,824.71

Finding the Fourth Proportional to 165,276.21, 228,082.95 and 89,824.71

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Solution

The fourth proportional to 165,276.21, 228,082.95 and 89,824.71 is: 123,959.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,276.21 : 228,082.95 = 89,824.71 : x
  2. Step 2: Convert to fraction form
    165,276.21/228,082.95 = 89,824.71/x
  3. Step 3: Cross multiply
    165,276.21x = 228,082.95 × 89,824.71
  4. Step 4: Simplify right side
    165,276.21x = 20,487,484,839.69
  5. Step 5: Solve for x
    x = 20,487,484,839.69/165,276.21
  6. Step 6: Final answer
    x = 123,959.07

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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.