Home / 164,574.28-227,112.06-89,122.76

Finding the Fourth Proportional to 164,574.28, 227,112.06 and 89,122.76

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Solution

The fourth proportional to 164,574.28, 227,112.06 and 89,122.76 is: 122,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,574.28 : 227,112.06 = 89,122.76 : x
  2. Step 2: Convert to fraction form
    164,574.28/227,112.06 = 89,122.76/x
  3. Step 3: Cross multiply
    164,574.28x = 227,112.06 × 89,122.76
  4. Step 4: Simplify right side
    164,574.28x = 20,240,853,616.49
  5. Step 5: Solve for x
    x = 20,240,853,616.49/164,574.28
  6. Step 6: Final answer
    x = 122,989.17

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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.