Home / 131,652.42-197,019.36-107,682.90

Finding the Fourth Proportional to 131,652.42, 197,019.36 and 107,682.90

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Solution

The fourth proportional to 131,652.42, 197,019.36 and 107,682.90 is: 161,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,652.42 : 197,019.36 = 107,682.90 : x
  2. Step 2: Convert to fraction form
    131,652.42/197,019.36 = 107,682.90/x
  3. Step 3: Cross multiply
    131,652.42x = 197,019.36 × 107,682.90
  4. Step 4: Simplify right side
    131,652.42x = 21,215,616,040.94
  5. Step 5: Solve for x
    x = 21,215,616,040.94/131,652.42
  6. Step 6: Final answer
    x = 161,148.70

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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.