Home / 136,600.74-188,522.46-82,881.54

Finding the Fourth Proportional to 136,600.74, 188,522.46 and 82,881.54

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Solution

The fourth proportional to 136,600.74, 188,522.46 and 82,881.54 is: 114,384.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,600.74 : 188,522.46 = 82,881.54 : x
  2. Step 2: Convert to fraction form
    136,600.74/188,522.46 = 82,881.54/x
  3. Step 3: Cross multiply
    136,600.74x = 188,522.46 × 82,881.54
  4. Step 4: Simplify right side
    136,600.74x = 15,625,031,809.39
  5. Step 5: Solve for x
    x = 15,625,031,809.39/136,600.74
  6. Step 6: Final answer
    x = 114,384.68

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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.