Home / 277,206.39-415,860.89-87,714.50

Finding the Fourth Proportional to 277,206.39, 415,860.89 and 87,714.50

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Solution

The fourth proportional to 277,206.39, 415,860.89 and 87,714.50 is: 131,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,206.39 : 415,860.89 = 87,714.50 : x
  2. Step 2: Convert to fraction form
    277,206.39/415,860.89 = 87,714.50/x
  3. Step 3: Cross multiply
    277,206.39x = 415,860.89 × 87,714.50
  4. Step 4: Simplify right side
    277,206.39x = 36,477,027,518.03
  5. Step 5: Solve for x
    x = 36,477,027,518.03/277,206.39
  6. Step 6: Final answer
    x = 131,587.98

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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.