Home / 156,993.48-235,498.38-51,820.68

Finding the Fourth Proportional to 156,993.48, 235,498.38 and 51,820.68

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Solution

The fourth proportional to 156,993.48, 235,498.38 and 51,820.68 is: 77,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,993.48 : 235,498.38 = 51,820.68 : x
  2. Step 2: Convert to fraction form
    156,993.48/235,498.38 = 51,820.68/x
  3. Step 3: Cross multiply
    156,993.48x = 235,498.38 × 51,820.68
  4. Step 4: Simplify right side
    156,993.48x = 12,203,686,190.50
  5. Step 5: Solve for x
    x = 12,203,686,190.50/156,993.48
  6. Step 6: Final answer
    x = 77,733.71

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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.