Home / 136,475.19-188,333.22-76,044.54

Finding the Fourth Proportional to 136,475.19, 188,333.22 and 76,044.54

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Solution

The fourth proportional to 136,475.19, 188,333.22 and 76,044.54 is: 104,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,475.19 : 188,333.22 = 76,044.54 : x
  2. Step 2: Convert to fraction form
    136,475.19/188,333.22 = 76,044.54/x
  3. Step 3: Cross multiply
    136,475.19x = 188,333.22 × 76,044.54
  4. Step 4: Simplify right side
    136,475.19x = 14,321,713,081.62
  5. Step 5: Solve for x
    x = 14,321,713,081.62/136,475.19
  6. Step 6: Final answer
    x = 104,940.05

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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.