Home / 133,605.17-184,286.43-85,918.85

Finding the Fourth Proportional to 133,605.17, 184,286.43 and 85,918.85

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Solution

The fourth proportional to 133,605.17, 184,286.43 and 85,918.85 is: 118,510.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,605.17 : 184,286.43 = 85,918.85 : x
  2. Step 2: Convert to fraction form
    133,605.17/184,286.43 = 85,918.85/x
  3. Step 3: Cross multiply
    133,605.17x = 184,286.43 × 85,918.85
  4. Step 4: Simplify right side
    133,605.17x = 15,833,678,136.21
  5. Step 5: Solve for x
    x = 15,833,678,136.21/133,605.17
  6. Step 6: Final answer
    x = 118,510.97

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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.