Home / 155,924.32-215,230.88-92,261.97

Finding the Fourth Proportional to 155,924.32, 215,230.88 and 92,261.97

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Solution

The fourth proportional to 155,924.32, 215,230.88 and 92,261.97 is: 127,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,924.32 : 215,230.88 = 92,261.97 : x
  2. Step 2: Convert to fraction form
    155,924.32/215,230.88 = 92,261.97/x
  3. Step 3: Cross multiply
    155,924.32x = 215,230.88 × 92,261.97
  4. Step 4: Simplify right side
    155,924.32x = 19,857,624,993.63
  5. Step 5: Solve for x
    x = 19,857,624,993.63/155,924.32
  6. Step 6: Final answer
    x = 127,354.25

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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.