Home / 145,838.25-201,234.90-82,174.68

Finding the Fourth Proportional to 145,838.25, 201,234.90 and 82,174.68

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Solution

The fourth proportional to 145,838.25, 201,234.90 and 82,174.68 is: 113,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,838.25 : 201,234.90 = 82,174.68 : x
  2. Step 2: Convert to fraction form
    145,838.25/201,234.90 = 82,174.68/x
  3. Step 3: Cross multiply
    145,838.25x = 201,234.90 × 82,174.68
  4. Step 4: Simplify right side
    145,838.25x = 16,536,413,512.33
  5. Step 5: Solve for x
    x = 16,536,413,512.33/145,838.25
  6. Step 6: Final answer
    x = 113,388.73

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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.