Home / 236,636.43-326,519.71-139,826.80

Finding the Fourth Proportional to 236,636.43, 326,519.71 and 139,826.80

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Solution

The fourth proportional to 236,636.43, 326,519.71 and 139,826.80 is: 192,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,636.43 : 326,519.71 = 139,826.80 : x
  2. Step 2: Convert to fraction form
    236,636.43/326,519.71 = 139,826.80/x
  3. Step 3: Cross multiply
    236,636.43x = 326,519.71 × 139,826.80
  4. Step 4: Simplify right side
    236,636.43x = 45,656,206,186.23
  5. Step 5: Solve for x
    x = 45,656,206,186.23/236,636.43
  6. Step 6: Final answer
    x = 192,938.20

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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.