Home / 115,078.43-158,765.26-114,901.02

Finding the Fourth Proportional to 115,078.43, 158,765.26 and 114,901.02

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Solution

The fourth proportional to 115,078.43, 158,765.26 and 114,901.02 is: 158,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,078.43 : 158,765.26 = 114,901.02 : x
  2. Step 2: Convert to fraction form
    115,078.43/158,765.26 = 114,901.02/x
  3. Step 3: Cross multiply
    115,078.43x = 158,765.26 × 114,901.02
  4. Step 4: Simplify right side
    115,078.43x = 18,242,290,314.57
  5. Step 5: Solve for x
    x = 18,242,290,314.57/115,078.43
  6. Step 6: Final answer
    x = 158,520.50

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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.