Home / 131,683.06-197,635.20-56,859.76

Finding the Fourth Proportional to 131,683.06, 197,635.20 and 56,859.76

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Solution

The fourth proportional to 131,683.06, 197,635.20 and 56,859.76 is: 85,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,683.06 : 197,635.20 = 56,859.76 : x
  2. Step 2: Convert to fraction form
    131,683.06/197,635.20 = 56,859.76/x
  3. Step 3: Cross multiply
    131,683.06x = 197,635.20 × 56,859.76
  4. Step 4: Simplify right side
    131,683.06x = 11,237,490,039.55
  5. Step 5: Solve for x
    x = 11,237,490,039.55/131,683.06
  6. Step 6: Final answer
    x = 85,337.40

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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.