Home / 235,837.90-325,405.74-140,325.94

Finding the Fourth Proportional to 235,837.90, 325,405.74 and 140,325.94

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Solution

The fourth proportional to 235,837.90, 325,405.74 and 140,325.94 is: 193,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,837.90 : 325,405.74 = 140,325.94 : x
  2. Step 2: Convert to fraction form
    235,837.90/325,405.74 = 140,325.94/x
  3. Step 3: Cross multiply
    235,837.90x = 325,405.74 × 140,325.94
  4. Step 4: Simplify right side
    235,837.90x = 45,662,866,346.90
  5. Step 5: Solve for x
    x = 45,662,866,346.90/235,837.90
  6. Step 6: Final answer
    x = 193,619.71

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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.