Home / 131,813.90-197,689.59-56,893.11

Finding the Fourth Proportional to 131,813.90, 197,689.59 and 56,893.11

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Solution

The fourth proportional to 131,813.90, 197,689.59 and 56,893.11 is: 85,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,813.90 : 197,689.59 = 56,893.11 : x
  2. Step 2: Convert to fraction form
    131,813.90/197,689.59 = 56,893.11/x
  3. Step 3: Cross multiply
    131,813.90x = 197,689.59 × 56,893.11
  4. Step 4: Simplify right side
    131,813.90x = 11,247,175,589.72
  5. Step 5: Solve for x
    x = 11,247,175,589.72/131,813.90
  6. Step 6: Final answer
    x = 85,326.18

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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.