Home / 277,224.12-415,887.42-87,732.18

Finding the Fourth Proportional to 277,224.12, 415,887.42 and 87,732.18

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Solution

The fourth proportional to 277,224.12, 415,887.42 and 87,732.18 is: 131,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,224.12 : 415,887.42 = 87,732.18 : x
  2. Step 2: Convert to fraction form
    277,224.12/415,887.42 = 87,732.18/x
  3. Step 3: Cross multiply
    277,224.12x = 415,887.42 × 87,732.18
  4. Step 4: Simplify right side
    277,224.12x = 36,486,709,991.18
  5. Step 5: Solve for x
    x = 36,486,709,991.18/277,224.12
  6. Step 6: Final answer
    x = 131,614.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.