Home / 131,532.10-197,379.15-56,688.10

Finding the Fourth Proportional to 131,532.10, 197,379.15 and 56,688.10

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Solution

The fourth proportional to 131,532.10, 197,379.15 and 56,688.10 is: 85,067.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,532.10 : 197,379.15 = 56,688.10 : x
  2. Step 2: Convert to fraction form
    131,532.10/197,379.15 = 56,688.10/x
  3. Step 3: Cross multiply
    131,532.10x = 197,379.15 × 56,688.10
  4. Step 4: Simplify right side
    131,532.10x = 11,189,048,993.12
  5. Step 5: Solve for x
    x = 11,189,048,993.12/131,532.10
  6. Step 6: Final answer
    x = 85,067.06

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1.5x scale

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.