Home / 236,546.73-326,440.67-129,126.69

Finding the Fourth Proportional to 236,546.73, 326,440.67 and 129,126.69

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Solution

The fourth proportional to 236,546.73, 326,440.67 and 129,126.69 is: 178,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,546.73 : 326,440.67 = 129,126.69 : x
  2. Step 2: Convert to fraction form
    236,546.73/326,440.67 = 129,126.69/x
  3. Step 3: Cross multiply
    236,546.73x = 326,440.67 × 129,126.69
  4. Step 4: Simplify right side
    236,546.73x = 42,152,202,552.85
  5. Step 5: Solve for x
    x = 42,152,202,552.85/236,546.73
  6. Step 6: Final answer
    x = 178,198.20

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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.