Home / 277,201.15-415,853.03-87,709.23

Finding the Fourth Proportional to 277,201.15, 415,853.03 and 87,709.23

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Solution

The fourth proportional to 277,201.15, 415,853.03 and 87,709.23 is: 131,580.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,201.15 : 415,853.03 = 87,709.23 : x
  2. Step 2: Convert to fraction form
    277,201.15/415,853.03 = 87,709.23/x
  3. Step 3: Cross multiply
    277,201.15x = 415,853.03 × 87,709.23
  4. Step 4: Simplify right side
    277,201.15x = 36,474,149,054.47
  5. Step 5: Solve for x
    x = 36,474,149,054.47/277,201.15
  6. Step 6: Final answer
    x = 131,580.08

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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.