Home / 209,534.12-289,147.56-114,040.52

Finding the Fourth Proportional to 209,534.12, 289,147.56 and 114,040.52

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Solution

The fourth proportional to 209,534.12, 289,147.56 and 114,040.52 is: 157,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,534.12 : 289,147.56 = 114,040.52 : x
  2. Step 2: Convert to fraction form
    209,534.12/289,147.56 = 114,040.52/x
  3. Step 3: Cross multiply
    209,534.12x = 289,147.56 × 114,040.52
  4. Step 4: Simplify right side
    209,534.12x = 32,974,538,099.13
  5. Step 5: Solve for x
    x = 32,974,538,099.13/209,534.12
  6. Step 6: Final answer
    x = 157,370.73

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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.