Home / 156,174.96-215,521.14-84,554.97

Finding the Fourth Proportional to 156,174.96, 215,521.14 and 84,554.97

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Solution

The fourth proportional to 156,174.96, 215,521.14 and 84,554.97 is: 116,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,174.96 : 215,521.14 = 84,554.97 : x
  2. Step 2: Convert to fraction form
    156,174.96/215,521.14 = 84,554.97/x
  3. Step 3: Cross multiply
    156,174.96x = 215,521.14 × 84,554.97
  4. Step 4: Simplify right side
    156,174.96x = 18,223,383,527.07
  5. Step 5: Solve for x
    x = 18,223,383,527.07/156,174.96
  6. Step 6: Final answer
    x = 116,685.69

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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.