Home / 236,647.20-326,586.36-129,227.20

Finding the Fourth Proportional to 236,647.20, 326,586.36 and 129,227.20

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Solution

The fourth proportional to 236,647.20, 326,586.36 and 129,227.20 is: 178,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,647.20 : 326,586.36 = 129,227.20 : x
  2. Step 2: Convert to fraction form
    236,647.20/326,586.36 = 129,227.20/x
  3. Step 3: Cross multiply
    236,647.20x = 326,586.36 × 129,227.20
  4. Step 4: Simplify right side
    236,647.20x = 42,203,840,860.99
  5. Step 5: Solve for x
    x = 42,203,840,860.99/236,647.20
  6. Step 6: Final answer
    x = 178,340.76

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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.