Home / 236,542-326,441.28-135,946.48

Finding the Fourth Proportional to 236,542, 326,441.28 and 135,946.48

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Solution

The fourth proportional to 236,542, 326,441.28 and 135,946.48 is: 187,613.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,542 : 326,441.28 = 135,946.48 : x
  2. Step 2: Convert to fraction form
    236,542/326,441.28 = 135,946.48/x
  3. Step 3: Cross multiply
    236,542x = 326,441.28 × 135,946.48
  4. Step 4: Simplify right side
    236,542x = 44,378,542,942.69
  5. Step 5: Solve for x
    x = 44,378,542,942.69/236,542
  6. Step 6: Final answer
    x = 187,613.80

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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.