Home / 118,021.27-162,869.26-64,306.73

Finding the Fourth Proportional to 118,021.27, 162,869.26 and 64,306.73

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Solution

The fourth proportional to 118,021.27, 162,869.26 and 64,306.73 is: 88,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.27 : 162,869.26 = 64,306.73 : x
  2. Step 2: Convert to fraction form
    118,021.27/162,869.26 = 64,306.73/x
  3. Step 3: Cross multiply
    118,021.27x = 162,869.26 × 64,306.73
  4. Step 4: Simplify right side
    118,021.27x = 10,473,589,528.12
  5. Step 5: Solve for x
    x = 10,473,589,528.12/118,021.27
  6. Step 6: Final answer
    x = 88,743.24

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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.