Home / 277,218.15-415,878.57-87,726.24

Finding the Fourth Proportional to 277,218.15, 415,878.57 and 87,726.24

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Solution

The fourth proportional to 277,218.15, 415,878.57 and 87,726.24 is: 131,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,218.15 : 415,878.57 = 87,726.24 : x
  2. Step 2: Convert to fraction form
    277,218.15/415,878.57 = 87,726.24/x
  3. Step 3: Cross multiply
    277,218.15x = 415,878.57 × 87,726.24
  4. Step 4: Simplify right side
    277,218.15x = 36,483,463,242.68
  5. Step 5: Solve for x
    x = 36,483,463,242.68/277,218.15
  6. Step 6: Final answer
    x = 131,605.61

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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.