Home / 131,517.60-197,357.40-56,673.60

Finding the Fourth Proportional to 131,517.60, 197,357.40 and 56,673.60

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Solution

The fourth proportional to 131,517.60, 197,357.40 and 56,673.60 is: 85,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,517.60 : 197,357.40 = 56,673.60 : x
  2. Step 2: Convert to fraction form
    131,517.60/197,357.40 = 56,673.60/x
  3. Step 3: Cross multiply
    131,517.60x = 197,357.40 × 56,673.60
  4. Step 4: Simplify right side
    131,517.60x = 11,184,954,344.64
  5. Step 5: Solve for x
    x = 11,184,954,344.64/131,517.60
  6. Step 6: Final answer
    x = 85,045.30

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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.