Home / 156,788.24-235,217.64-51,603.44

Finding the Fourth Proportional to 156,788.24, 235,217.64 and 51,603.44

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Solution

The fourth proportional to 156,788.24, 235,217.64 and 51,603.44 is: 77,416.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,788.24 : 235,217.64 = 51,603.44 : x
  2. Step 2: Convert to fraction form
    156,788.24/235,217.64 = 51,603.44/x
  3. Step 3: Cross multiply
    156,788.24x = 235,217.64 × 51,603.44
  4. Step 4: Simplify right side
    156,788.24x = 12,138,039,372.68
  5. Step 5: Solve for x
    x = 12,138,039,372.68/156,788.24
  6. Step 6: Final answer
    x = 77,416.77

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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.