Home / 236,103.27-325,822.80-128,673.42

Finding the Fourth Proportional to 236,103.27, 325,822.80 and 128,673.42

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Solution

The fourth proportional to 236,103.27, 325,822.80 and 128,673.42 is: 177,569.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,103.27 : 325,822.80 = 128,673.42 : x
  2. Step 2: Convert to fraction form
    236,103.27/325,822.80 = 128,673.42/x
  3. Step 3: Cross multiply
    236,103.27x = 325,822.80 × 128,673.42
  4. Step 4: Simplify right side
    236,103.27x = 41,924,733,989.98
  5. Step 5: Solve for x
    x = 41,924,733,989.98/236,103.27
  6. Step 6: Final answer
    x = 177,569.48

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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.