Home / 236,806.40-326,797.54-129,383.09

Finding the Fourth Proportional to 236,806.40, 326,797.54 and 129,383.09

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Solution

The fourth proportional to 236,806.40, 326,797.54 and 129,383.09 is: 178,551.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,806.40 : 326,797.54 = 129,383.09 : x
  2. Step 2: Convert to fraction form
    236,806.40/326,797.54 = 129,383.09/x
  3. Step 3: Cross multiply
    236,806.40x = 326,797.54 × 129,383.09
  4. Step 4: Simplify right side
    236,806.40x = 42,282,074,797.64
  5. Step 5: Solve for x
    x = 42,282,074,797.64/236,806.40
  6. Step 6: Final answer
    x = 178,551.23

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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.