Home / 236,788.62-326,769.44-129,360.44

Finding the Fourth Proportional to 236,788.62, 326,769.44 and 129,360.44

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Solution

The fourth proportional to 236,788.62, 326,769.44 and 129,360.44 is: 178,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,788.62 : 326,769.44 = 129,360.44 : x
  2. Step 2: Convert to fraction form
    236,788.62/326,769.44 = 129,360.44/x
  3. Step 3: Cross multiply
    236,788.62x = 326,769.44 × 129,360.44
  4. Step 4: Simplify right side
    236,788.62x = 42,271,038,536.95
  5. Step 5: Solve for x
    x = 42,271,038,536.95/236,788.62
  6. Step 6: Final answer
    x = 178,518.03

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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.