Home / 131,837.10-197,658.45-56,895.90

Finding the Fourth Proportional to 131,837.10, 197,658.45 and 56,895.90

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Solution

The fourth proportional to 131,837.10, 197,658.45 and 56,895.90 is: 85,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,837.10 : 197,658.45 = 56,895.90 : x
  2. Step 2: Convert to fraction form
    131,837.10/197,658.45 = 56,895.90/x
  3. Step 3: Cross multiply
    131,837.10x = 197,658.45 × 56,895.90
  4. Step 4: Simplify right side
    131,837.10x = 11,245,955,405.36
  5. Step 5: Solve for x
    x = 11,245,955,405.36/131,837.10
  6. Step 6: Final answer
    x = 85,301.90

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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.