Home / 156,780.24-235,205.64-51,595.44

Finding the Fourth Proportional to 156,780.24, 235,205.64 and 51,595.44

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Solution

The fourth proportional to 156,780.24, 235,205.64 and 51,595.44 is: 77,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,780.24 : 235,205.64 = 51,595.44 : x
  2. Step 2: Convert to fraction form
    156,780.24/235,205.64 = 51,595.44/x
  3. Step 3: Cross multiply
    156,780.24x = 235,205.64 × 51,595.44
  4. Step 4: Simplify right side
    156,780.24x = 12,135,538,486.28
  5. Step 5: Solve for x
    x = 12,135,538,486.28/156,780.24
  6. Step 6: Final answer
    x = 77,404.77

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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.