Home / 106,667.28-147,198.06-58,912.92

Finding the Fourth Proportional to 106,667.28, 147,198.06 and 58,912.92

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Solution

The fourth proportional to 106,667.28, 147,198.06 and 58,912.92 is: 81,298.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,667.28 : 147,198.06 = 58,912.92 : x
  2. Step 2: Convert to fraction form
    106,667.28/147,198.06 = 58,912.92/x
  3. Step 3: Cross multiply
    106,667.28x = 147,198.06 × 58,912.92
  4. Step 4: Simplify right side
    106,667.28x = 8,671,867,532.94
  5. Step 5: Solve for x
    x = 8,671,867,532.94/106,667.28
  6. Step 6: Final answer
    x = 81,298.29

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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.