Home / 131,743.72-197,555.10-56,827.96

Finding the Fourth Proportional to 131,743.72, 197,555.10 and 56,827.96

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Solution

The fourth proportional to 131,743.72, 197,555.10 and 56,827.96 is: 85,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,743.72 : 197,555.10 = 56,827.96 : x
  2. Step 2: Convert to fraction form
    131,743.72/197,555.10 = 56,827.96/x
  3. Step 3: Cross multiply
    131,743.72x = 197,555.10 × 56,827.96
  4. Step 4: Simplify right side
    131,743.72x = 11,226,653,320.60
  5. Step 5: Solve for x
    x = 11,226,653,320.60/131,743.72
  6. Step 6: Final answer
    x = 85,215.85

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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.