Home / 236,540-326,480.04-155,982.08

Finding the Fourth Proportional to 236,540, 326,480.04 and 155,982.08

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Solution

The fourth proportional to 236,540, 326,480.04 and 155,982.08 is: 215,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,540 : 326,480.04 = 155,982.08 : x
  2. Step 2: Convert to fraction form
    236,540/326,480.04 = 155,982.08/x
  3. Step 3: Cross multiply
    236,540x = 326,480.04 × 155,982.08
  4. Step 4: Simplify right side
    236,540x = 50,925,035,717.68
  5. Step 5: Solve for x
    x = 50,925,035,717.68/236,540
  6. Step 6: Final answer
    x = 215,291.43

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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.