Home / 133,911.09-200,835.52-39,120.23

Finding the Fourth Proportional to 133,911.09, 200,835.52 and 39,120.23

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Solution

The fourth proportional to 133,911.09, 200,835.52 and 39,120.23 is: 58,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,911.09 : 200,835.52 = 39,120.23 : x
  2. Step 2: Convert to fraction form
    133,911.09/200,835.52 = 39,120.23/x
  3. Step 3: Cross multiply
    133,911.09x = 200,835.52 × 39,120.23
  4. Step 4: Simplify right side
    133,911.09x = 7,856,732,138.86
  5. Step 5: Solve for x
    x = 7,856,732,138.86/133,911.09
  6. Step 6: Final answer
    x = 58,671.26

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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.