Home / 156,089.82-215,403.94-84,469.84

Finding the Fourth Proportional to 156,089.82, 215,403.94 and 84,469.84

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Solution

The fourth proportional to 156,089.82, 215,403.94 and 84,469.84 is: 116,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,089.82 : 215,403.94 = 84,469.84 : x
  2. Step 2: Convert to fraction form
    156,089.82/215,403.94 = 84,469.84/x
  3. Step 3: Cross multiply
    156,089.82x = 215,403.94 × 84,469.84
  4. Step 4: Simplify right side
    156,089.82x = 18,195,136,347.17
  5. Step 5: Solve for x
    x = 18,195,136,347.17/156,089.82
  6. Step 6: Final answer
    x = 116,568.37

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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.