Home / 131,079.64-196,586.89-56,191.30

Finding the Fourth Proportional to 131,079.64, 196,586.89 and 56,191.30

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Solution

The fourth proportional to 131,079.64, 196,586.89 and 56,191.30 is: 84,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,079.64 : 196,586.89 = 56,191.30 : x
  2. Step 2: Convert to fraction form
    131,079.64/196,586.89 = 56,191.30/x
  3. Step 3: Cross multiply
    131,079.64x = 196,586.89 × 56,191.30
  4. Step 4: Simplify right side
    131,079.64x = 11,046,472,912.06
  5. Step 5: Solve for x
    x = 11,046,472,912.06/131,079.64
  6. Step 6: Final answer
    x = 84,272.99

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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.