Home / 156,089.40-215,403.92-84,469.41

Finding the Fourth Proportional to 156,089.40, 215,403.92 and 84,469.41

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Solution

The fourth proportional to 156,089.40, 215,403.92 and 84,469.41 is: 116,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,089.40 : 215,403.92 = 84,469.41 : x
  2. Step 2: Convert to fraction form
    156,089.40/215,403.92 = 84,469.41/x
  3. Step 3: Cross multiply
    156,089.40x = 215,403.92 × 84,469.41
  4. Step 4: Simplify right side
    156,089.40x = 18,195,040,803.98
  5. Step 5: Solve for x
    x = 18,195,040,803.98/156,089.40
  6. Step 6: Final answer
    x = 116,568.07

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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.