Home / 106,161.76-146,454.24-68,448.16

Finding the Fourth Proportional to 106,161.76, 146,454.24 and 68,448.16

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Solution

The fourth proportional to 106,161.76, 146,454.24 and 68,448.16 is: 94,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,161.76 : 146,454.24 = 68,448.16 : x
  2. Step 2: Convert to fraction form
    106,161.76/146,454.24 = 68,448.16/x
  3. Step 3: Cross multiply
    106,161.76x = 146,454.24 × 68,448.16
  4. Step 4: Simplify right side
    106,161.76x = 10,024,523,252.20
  5. Step 5: Solve for x
    x = 10,024,523,252.20/106,161.76
  6. Step 6: Final answer
    x = 94,426.88

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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.