Home / 277,139.22-415,673.09-87,618.84

Finding the Fourth Proportional to 277,139.22, 415,673.09 and 87,618.84

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Solution

The fourth proportional to 277,139.22, 415,673.09 and 87,618.84 is: 131,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,139.22 : 415,673.09 = 87,618.84 : x
  2. Step 2: Convert to fraction form
    277,139.22/415,673.09 = 87,618.84/x
  3. Step 3: Cross multiply
    277,139.22x = 415,673.09 × 87,618.84
  4. Step 4: Simplify right side
    277,139.22x = 36,420,793,712.22
  5. Step 5: Solve for x
    x = 36,420,793,712.22/277,139.22
  6. Step 6: Final answer
    x = 131,416.96

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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.