Home / 235,733.04-325,284.96-138,930.60

Finding the Fourth Proportional to 235,733.04, 325,284.96 and 138,930.60

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Solution

The fourth proportional to 235,733.04, 325,284.96 and 138,930.60 is: 191,708.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,733.04 : 325,284.96 = 138,930.60 : x
  2. Step 2: Convert to fraction form
    235,733.04/325,284.96 = 138,930.60/x
  3. Step 3: Cross multiply
    235,733.04x = 325,284.96 × 138,930.60
  4. Step 4: Simplify right side
    235,733.04x = 45,192,034,663.78
  5. Step 5: Solve for x
    x = 45,192,034,663.78/235,733.04
  6. Step 6: Final answer
    x = 191,708.53

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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.