Home / 155,976.96-215,291.52-92,336.64

Finding the Fourth Proportional to 155,976.96, 215,291.52 and 92,336.64

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Solution

The fourth proportional to 155,976.96, 215,291.52 and 92,336.64 is: 127,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,976.96 : 215,291.52 = 92,336.64 : x
  2. Step 2: Convert to fraction form
    155,976.96/215,291.52 = 92,336.64/x
  3. Step 3: Cross multiply
    155,976.96x = 215,291.52 × 92,336.64
  4. Step 4: Simplify right side
    155,976.96x = 19,879,295,577.29
  5. Step 5: Solve for x
    x = 19,879,295,577.29/155,976.96
  6. Step 6: Final answer
    x = 127,450.21

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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.