Home / 131,535.60-197,384.40-56,691.60

Finding the Fourth Proportional to 131,535.60, 197,384.40 and 56,691.60

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Solution

The fourth proportional to 131,535.60, 197,384.40 and 56,691.60 is: 85,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,535.60 : 197,384.40 = 56,691.60 : x
  2. Step 2: Convert to fraction form
    131,535.60/197,384.40 = 56,691.60/x
  3. Step 3: Cross multiply
    131,535.60x = 197,384.40 × 56,691.60
  4. Step 4: Simplify right side
    131,535.60x = 11,190,037,451.04
  5. Step 5: Solve for x
    x = 11,190,037,451.04/131,535.60
  6. Step 6: Final answer
    x = 85,072.31

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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.