Home / 106,667.10-147,199.14-58,920.84

Finding the Fourth Proportional to 106,667.10, 147,199.14 and 58,920.84

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Solution

The fourth proportional to 106,667.10, 147,199.14 and 58,920.84 is: 81,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,667.10 : 147,199.14 = 58,920.84 : x
  2. Step 2: Convert to fraction form
    106,667.10/147,199.14 = 58,920.84/x
  3. Step 3: Cross multiply
    106,667.10x = 147,199.14 × 58,920.84
  4. Step 4: Simplify right side
    106,667.10x = 8,673,096,976.08
  5. Step 5: Solve for x
    x = 8,673,096,976.08/106,667.10
  6. Step 6: Final answer
    x = 81,309.95

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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.