Home / 236,813.03-326,806.68-129,389.73

Finding the Fourth Proportional to 236,813.03, 326,806.68 and 129,389.73

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Solution

The fourth proportional to 236,813.03, 326,806.68 and 129,389.73 is: 178,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,813.03 : 326,806.68 = 129,389.73 : x
  2. Step 2: Convert to fraction form
    236,813.03/326,806.68 = 129,389.73/x
  3. Step 3: Cross multiply
    236,813.03x = 326,806.68 × 129,389.73
  4. Step 4: Simplify right side
    236,813.03x = 42,285,428,087.40
  5. Step 5: Solve for x
    x = 42,285,428,087.40/236,813.03
  6. Step 6: Final answer
    x = 178,560.39

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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.