Home / 185,105.40-255,469.32-104,553.60

Finding the Fourth Proportional to 185,105.40, 255,469.32 and 104,553.60

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Solution

The fourth proportional to 185,105.40, 255,469.32 and 104,553.60 is: 144,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,105.40 : 255,469.32 = 104,553.60 : x
  2. Step 2: Convert to fraction form
    185,105.40/255,469.32 = 104,553.60/x
  3. Step 3: Cross multiply
    185,105.40x = 255,469.32 × 104,553.60
  4. Step 4: Simplify right side
    185,105.40x = 26,710,237,095.55
  5. Step 5: Solve for x
    x = 26,710,237,095.55/185,105.40
  6. Step 6: Final answer
    x = 144,297.45

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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.