Home / 131,495.70-197,135.55-56,673.30

Finding the Fourth Proportional to 131,495.70, 197,135.55 and 56,673.30

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Solution

The fourth proportional to 131,495.70, 197,135.55 and 56,673.30 is: 84,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,495.70 : 197,135.55 = 56,673.30 : x
  2. Step 2: Convert to fraction form
    131,495.70/197,135.55 = 56,673.30/x
  3. Step 3: Cross multiply
    131,495.70x = 197,135.55 × 56,673.30
  4. Step 4: Simplify right side
    131,495.70x = 11,172,322,165.82
  5. Step 5: Solve for x
    x = 11,172,322,165.82/131,495.70
  6. Step 6: Final answer
    x = 84,963.40

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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.