Home / 136,464.24-188,334.50-76,044.72

Finding the Fourth Proportional to 136,464.24, 188,334.50 and 76,044.72

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Solution

The fourth proportional to 136,464.24, 188,334.50 and 76,044.72 is: 104,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,464.24 : 188,334.50 = 76,044.72 : x
  2. Step 2: Convert to fraction form
    136,464.24/188,334.50 = 76,044.72/x
  3. Step 3: Cross multiply
    136,464.24x = 188,334.50 × 76,044.72
  4. Step 4: Simplify right side
    136,464.24x = 14,321,844,318.84
  5. Step 5: Solve for x
    x = 14,321,844,318.84/136,464.24
  6. Step 6: Final answer
    x = 104,949.43

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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.