Home / 189,186.91-261,084.22-112,695.56

Finding the Fourth Proportional to 189,186.91, 261,084.22 and 112,695.56

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Solution

The fourth proportional to 189,186.91, 261,084.22 and 112,695.56 is: 155,523.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,186.91 : 261,084.22 = 112,695.56 : x
  2. Step 2: Convert to fraction form
    189,186.91/261,084.22 = 112,695.56/x
  3. Step 3: Cross multiply
    189,186.91x = 261,084.22 × 112,695.56
  4. Step 4: Simplify right side
    189,186.91x = 29,423,032,380.06
  5. Step 5: Solve for x
    x = 29,423,032,380.06/189,186.91
  6. Step 6: Final answer
    x = 155,523.62

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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.