Home / 195,921.12-294,226.24-193,116.32

Finding the Fourth Proportional to 195,921.12, 294,226.24 and 193,116.32

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Solution

The fourth proportional to 195,921.12, 294,226.24 and 193,116.32 is: 290,014.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,921.12 : 294,226.24 = 193,116.32 : x
  2. Step 2: Convert to fraction form
    195,921.12/294,226.24 = 193,116.32/x
  3. Step 3: Cross multiply
    195,921.12x = 294,226.24 × 193,116.32
  4. Step 4: Simplify right side
    195,921.12x = 56,819,888,716.24
  5. Step 5: Solve for x
    x = 56,819,888,716.24/195,921.12
  6. Step 6: Final answer
    x = 290,014.11

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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.