Home / 236,810.70-326,788.56-129,375.54

Finding the Fourth Proportional to 236,810.70, 326,788.56 and 129,375.54

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Solution

The fourth proportional to 236,810.70, 326,788.56 and 129,375.54 is: 178,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,810.70 : 326,788.56 = 129,375.54 : x
  2. Step 2: Convert to fraction form
    236,810.70/326,788.56 = 129,375.54/x
  3. Step 3: Cross multiply
    236,810.70x = 326,788.56 × 129,375.54
  4. Step 4: Simplify right side
    236,810.70x = 42,278,446,415.82
  5. Step 5: Solve for x
    x = 42,278,446,415.82/236,810.70
  6. Step 6: Final answer
    x = 178,532.67

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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.