Home / 189,793.04-261,906.43-112,318.90

Finding the Fourth Proportional to 189,793.04, 261,906.43 and 112,318.90

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Solution

The fourth proportional to 189,793.04, 261,906.43 and 112,318.90 is: 154,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,793.04 : 261,906.43 = 112,318.90 : x
  2. Step 2: Convert to fraction form
    189,793.04/261,906.43 = 112,318.90/x
  3. Step 3: Cross multiply
    189,793.04x = 261,906.43 × 112,318.90
  4. Step 4: Simplify right side
    189,793.04x = 29,417,042,588.31
  5. Step 5: Solve for x
    x = 29,417,042,588.31/189,793.04
  6. Step 6: Final answer
    x = 154,995.37

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1.5x scale

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.