Home / 146,811.89-202,614.55-82,280.81

Finding the Fourth Proportional to 146,811.89, 202,614.55 and 82,280.81

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Solution

The fourth proportional to 146,811.89, 202,614.55 and 82,280.81 is: 113,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,811.89 : 202,614.55 = 82,280.81 : x
  2. Step 2: Convert to fraction form
    146,811.89/202,614.55 = 82,280.81/x
  3. Step 3: Cross multiply
    146,811.89x = 202,614.55 × 82,280.81
  4. Step 4: Simplify right side
    146,811.89x = 16,671,289,592.62
  5. Step 5: Solve for x
    x = 16,671,289,592.62/146,811.89
  6. Step 6: Final answer
    x = 113,555.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.