Home / 236,733.54-326,699.41-129,309.34

Finding the Fourth Proportional to 236,733.54, 326,699.41 and 129,309.34

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Solution

The fourth proportional to 236,733.54, 326,699.41 and 129,309.34 is: 178,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,733.54 : 326,699.41 = 129,309.34 : x
  2. Step 2: Convert to fraction form
    236,733.54/326,699.41 = 129,309.34/x
  3. Step 3: Cross multiply
    236,733.54x = 326,699.41 × 129,309.34
  4. Step 4: Simplify right side
    236,733.54x = 42,245,285,085.49
  5. Step 5: Solve for x
    x = 42,245,285,085.49/236,733.54
  6. Step 6: Final answer
    x = 178,450.78

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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.