Home / 131,760.68-197,499.26-56,916.04

Finding the Fourth Proportional to 131,760.68, 197,499.26 and 56,916.04

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Solution

The fourth proportional to 131,760.68, 197,499.26 and 56,916.04 is: 85,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,760.68 : 197,499.26 = 56,916.04 : x
  2. Step 2: Convert to fraction form
    131,760.68/197,499.26 = 56,916.04/x
  3. Step 3: Cross multiply
    131,760.68x = 197,499.26 × 56,916.04
  4. Step 4: Simplify right side
    131,760.68x = 11,240,875,782.13
  5. Step 5: Solve for x
    x = 11,240,875,782.13/131,760.68
  6. Step 6: Final answer
    x = 85,312.82

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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.