Home / 156,217.58-215,579.20-84,595.98

Finding the Fourth Proportional to 156,217.58, 215,579.20 and 84,595.98

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Solution

The fourth proportional to 156,217.58, 215,579.20 and 84,595.98 is: 116,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,217.58 : 215,579.20 = 84,595.98 : x
  2. Step 2: Convert to fraction form
    156,217.58/215,579.20 = 84,595.98/x
  3. Step 3: Cross multiply
    156,217.58x = 215,579.20 × 84,595.98
  4. Step 4: Simplify right side
    156,217.58x = 18,237,133,691.62
  5. Step 5: Solve for x
    x = 18,237,133,691.62/156,217.58
  6. Step 6: Final answer
    x = 116,741.88

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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.