Home / 236,486.13-326,357.74-129,063.03

Finding the Fourth Proportional to 236,486.13, 326,357.74 and 129,063.03

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Solution

The fourth proportional to 236,486.13, 326,357.74 and 129,063.03 is: 178,110.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,486.13 : 326,357.74 = 129,063.03 : x
  2. Step 2: Convert to fraction form
    236,486.13/326,357.74 = 129,063.03/x
  3. Step 3: Cross multiply
    236,486.13x = 326,357.74 × 129,063.03
  4. Step 4: Simplify right side
    236,486.13x = 42,120,718,788.35
  5. Step 5: Solve for x
    x = 42,120,718,788.35/236,486.13
  6. Step 6: Final answer
    x = 178,110.74

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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.