Home / 265,741.95-398,619.84-76,194.66

Finding the Fourth Proportional to 265,741.95, 398,619.84 and 76,194.66

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Solution

The fourth proportional to 265,741.95, 398,619.84 and 76,194.66 is: 114,293.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,741.95 : 398,619.84 = 76,194.66 : x
  2. Step 2: Convert to fraction form
    265,741.95/398,619.84 = 76,194.66/x
  3. Step 3: Cross multiply
    265,741.95x = 398,619.84 × 76,194.66
  4. Step 4: Simplify right side
    265,741.95x = 30,372,704,958.61
  5. Step 5: Solve for x
    x = 30,372,704,958.61/265,741.95
  6. Step 6: Final answer
    x = 114,293.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.