Home / 131,697.05-197,498.18-56,785.01

Finding the Fourth Proportional to 131,697.05, 197,498.18 and 56,785.01

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Solution

The fourth proportional to 131,697.05, 197,498.18 and 56,785.01 is: 85,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,697.05 : 197,498.18 = 56,785.01 : x
  2. Step 2: Convert to fraction form
    131,697.05/197,498.18 = 56,785.01/x
  3. Step 3: Cross multiply
    131,697.05x = 197,498.18 × 56,785.01
  4. Step 4: Simplify right side
    131,697.05x = 11,214,934,854.87
  5. Step 5: Solve for x
    x = 11,214,934,854.87/131,697.05
  6. Step 6: Final answer
    x = 85,157.07

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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.