Home / 236,717.50-326,679.87-136,115.50

Finding the Fourth Proportional to 236,717.50, 326,679.87 and 136,115.50

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Solution

The fourth proportional to 236,717.50, 326,679.87 and 136,115.50 is: 187,844.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,717.50 : 326,679.87 = 136,115.50 : x
  2. Step 2: Convert to fraction form
    236,717.50/326,679.87 = 136,115.50/x
  3. Step 3: Cross multiply
    236,717.50x = 326,679.87 × 136,115.50
  4. Step 4: Simplify right side
    236,717.50x = 44,466,193,844.99
  5. Step 5: Solve for x
    x = 44,466,193,844.99/236,717.50
  6. Step 6: Final answer
    x = 187,844.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.