Home / 131,519.10-197,359.65-56,675.10

Finding the Fourth Proportional to 131,519.10, 197,359.65 and 56,675.10

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Solution

The fourth proportional to 131,519.10, 197,359.65 and 56,675.10 is: 85,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,519.10 : 197,359.65 = 56,675.10 : x
  2. Step 2: Convert to fraction form
    131,519.10/197,359.65 = 56,675.10/x
  3. Step 3: Cross multiply
    131,519.10x = 197,359.65 × 56,675.10
  4. Step 4: Simplify right side
    131,519.10x = 11,185,377,899.72
  5. Step 5: Solve for x
    x = 11,185,377,899.72/131,519.10
  6. Step 6: Final answer
    x = 85,047.56

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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.