Home / 277,108.12-415,718.48-87,598.09

Finding the Fourth Proportional to 277,108.12, 415,718.48 and 87,598.09

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Solution

The fourth proportional to 277,108.12, 415,718.48 and 87,598.09 is: 131,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,108.12 : 415,718.48 = 87,598.09 : x
  2. Step 2: Convert to fraction form
    277,108.12/415,718.48 = 87,598.09/x
  3. Step 3: Cross multiply
    277,108.12x = 415,718.48 × 87,598.09
  4. Step 4: Simplify right side
    277,108.12x = 36,416,144,387.71
  5. Step 5: Solve for x
    x = 36,416,144,387.71/277,108.12
  6. Step 6: Final answer
    x = 131,414.93

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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.