Home / 131,423.70-197,113.98-36,660.33

Finding the Fourth Proportional to 131,423.70, 197,113.98 and 36,660.33

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Solution

The fourth proportional to 131,423.70, 197,113.98 and 36,660.33 is: 54,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.70 : 197,113.98 = 36,660.33 : x
  2. Step 2: Convert to fraction form
    131,423.70/197,113.98 = 36,660.33/x
  3. Step 3: Cross multiply
    131,423.70x = 197,113.98 × 36,660.33
  4. Step 4: Simplify right side
    131,423.70x = 7,226,263,554.41
  5. Step 5: Solve for x
    x = 7,226,263,554.41/131,423.70
  6. Step 6: Final answer
    x = 54,984.48

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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.