Home / 236,857.44-326,864.12-129,427.46

Finding the Fourth Proportional to 236,857.44, 326,864.12 and 129,427.46

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Solution

The fourth proportional to 236,857.44, 326,864.12 and 129,427.46 is: 178,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,857.44 : 326,864.12 = 129,427.46 : x
  2. Step 2: Convert to fraction form
    236,857.44/326,864.12 = 129,427.46/x
  3. Step 3: Cross multiply
    236,857.44x = 326,864.12 × 129,427.46
  4. Step 4: Simplify right side
    236,857.44x = 42,305,192,816.74
  5. Step 5: Solve for x
    x = 42,305,192,816.74/236,857.44
  6. Step 6: Final answer
    x = 178,610.36

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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.