Home / 164,783.92-227,401.28-89,332.44

Finding the Fourth Proportional to 164,783.92, 227,401.28 and 89,332.44

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Solution

The fourth proportional to 164,783.92, 227,401.28 and 89,332.44 is: 123,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,783.92 : 227,401.28 = 89,332.44 : x
  2. Step 2: Convert to fraction form
    164,783.92/227,401.28 = 89,332.44/x
  3. Step 3: Cross multiply
    164,783.92x = 227,401.28 × 89,332.44
  4. Step 4: Simplify right side
    164,783.92x = 20,314,311,201.52
  5. Step 5: Solve for x
    x = 20,314,311,201.52/164,783.92
  6. Step 6: Final answer
    x = 123,278.48

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1.5x scale

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.