Home / 106,078.06-146,346.24-60,731.74

Finding the Fourth Proportional to 106,078.06, 146,346.24 and 60,731.74

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Solution

The fourth proportional to 106,078.06, 146,346.24 and 60,731.74 is: 83,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,078.06 : 146,346.24 = 60,731.74 : x
  2. Step 2: Convert to fraction form
    106,078.06/146,346.24 = 60,731.74/x
  3. Step 3: Cross multiply
    106,078.06x = 146,346.24 × 60,731.74
  4. Step 4: Simplify right side
    106,078.06x = 8,887,861,797.66
  5. Step 5: Solve for x
    x = 8,887,861,797.66/106,078.06
  6. Step 6: Final answer
    x = 83,786.05

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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.