Home / 105,920.12-146,169.84-58,175.84

Finding the Fourth Proportional to 105,920.12, 146,169.84 and 58,175.84

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Solution

The fourth proportional to 105,920.12, 146,169.84 and 58,175.84 is: 80,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,920.12 : 146,169.84 = 58,175.84 : x
  2. Step 2: Convert to fraction form
    105,920.12/146,169.84 = 58,175.84/x
  3. Step 3: Cross multiply
    105,920.12x = 146,169.84 × 58,175.84
  4. Step 4: Simplify right side
    105,920.12x = 8,503,553,224.67
  5. Step 5: Solve for x
    x = 8,503,553,224.67/105,920.12
  6. Step 6: Final answer
    x = 80,282.70

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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.