Home / 156,738.19-235,116.17-50,131.51

Finding the Fourth Proportional to 156,738.19, 235,116.17 and 50,131.51

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Solution

The fourth proportional to 156,738.19, 235,116.17 and 50,131.51 is: 75,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.19 : 235,116.17 = 50,131.51 : x
  2. Step 2: Convert to fraction form
    156,738.19/235,116.17 = 50,131.51/x
  3. Step 3: Cross multiply
    156,738.19x = 235,116.17 × 50,131.51
  4. Step 4: Simplify right side
    156,738.19x = 11,786,727,977.06
  5. Step 5: Solve for x
    x = 11,786,727,977.06/156,738.19
  6. Step 6: Final answer
    x = 75,200.10

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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.