Home / 255,686.03-352,768.52-148,234.61

Finding the Fourth Proportional to 255,686.03, 352,768.52 and 148,234.61

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Solution

The fourth proportional to 255,686.03, 352,768.52 and 148,234.61 is: 204,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,686.03 : 352,768.52 = 148,234.61 : x
  2. Step 2: Convert to fraction form
    255,686.03/352,768.52 = 148,234.61/x
  3. Step 3: Cross multiply
    255,686.03x = 352,768.52 × 148,234.61
  4. Step 4: Simplify right side
    255,686.03x = 52,292,504,401.17
  5. Step 5: Solve for x
    x = 52,292,504,401.17/255,686.03
  6. Step 6: Final answer
    x = 204,518.43

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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.