Home / 131,523.60-197,366.40-56,679.60

Finding the Fourth Proportional to 131,523.60, 197,366.40 and 56,679.60

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Solution

The fourth proportional to 131,523.60, 197,366.40 and 56,679.60 is: 85,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,523.60 : 197,366.40 = 56,679.60 : x
  2. Step 2: Convert to fraction form
    131,523.60/197,366.40 = 56,679.60/x
  3. Step 3: Cross multiply
    131,523.60x = 197,366.40 × 56,679.60
  4. Step 4: Simplify right side
    131,523.60x = 11,186,648,605.44
  5. Step 5: Solve for x
    x = 11,186,648,605.44/131,523.60
  6. Step 6: Final answer
    x = 85,054.31

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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.