Home / 131,469.60-197,204.40-56,625.60

Finding the Fourth Proportional to 131,469.60, 197,204.40 and 56,625.60

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Solution

The fourth proportional to 131,469.60, 197,204.40 and 56,625.60 is: 84,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,469.60 : 197,204.40 = 56,625.60 : x
  2. Step 2: Convert to fraction form
    131,469.60/197,204.40 = 56,625.60/x
  3. Step 3: Cross multiply
    131,469.60x = 197,204.40 × 56,625.60
  4. Step 4: Simplify right side
    131,469.60x = 11,166,817,472.64
  5. Step 5: Solve for x
    x = 11,166,817,472.64/131,469.60
  6. Step 6: Final answer
    x = 84,938.40

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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.