Home / 131,022.40-196,391.04-64,330.24

Finding the Fourth Proportional to 131,022.40, 196,391.04 and 64,330.24

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Solution

The fourth proportional to 131,022.40, 196,391.04 and 64,330.24 is: 96,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,022.40 : 196,391.04 = 64,330.24 : x
  2. Step 2: Convert to fraction form
    131,022.40/196,391.04 = 64,330.24/x
  3. Step 3: Cross multiply
    131,022.40x = 196,391.04 × 64,330.24
  4. Step 4: Simplify right side
    131,022.40x = 12,633,882,737.05
  5. Step 5: Solve for x
    x = 12,633,882,737.05/131,022.40
  6. Step 6: Final answer
    x = 96,425.36

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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.