Home / 106,215.30-146,578.01-58,468.91

Finding the Fourth Proportional to 106,215.30, 146,578.01 and 58,468.91

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Solution

The fourth proportional to 106,215.30, 146,578.01 and 58,468.91 is: 80,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,215.30 : 146,578.01 = 58,468.91 : x
  2. Step 2: Convert to fraction form
    106,215.30/146,578.01 = 58,468.91/x
  3. Step 3: Cross multiply
    106,215.30x = 146,578.01 × 58,468.91
  4. Step 4: Simplify right side
    106,215.30x = 8,570,255,449.43
  5. Step 5: Solve for x
    x = 8,570,255,449.43/106,215.30
  6. Step 6: Final answer
    x = 80,687.58

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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.