Home / 236,786.76-326,764.53-129,362.94

Finding the Fourth Proportional to 236,786.76, 326,764.53 and 129,362.94

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Solution

The fourth proportional to 236,786.76, 326,764.53 and 129,362.94 is: 178,520.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,786.76 : 326,764.53 = 129,362.94 : x
  2. Step 2: Convert to fraction form
    236,786.76/326,764.53 = 129,362.94/x
  3. Step 3: Cross multiply
    236,786.76x = 326,764.53 × 129,362.94
  4. Step 4: Simplify right side
    236,786.76x = 42,271,220,288.52
  5. Step 5: Solve for x
    x = 42,271,220,288.52/236,786.76
  6. Step 6: Final answer
    x = 178,520.20

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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.