Home / 153,982.85-230,974.28-145,234.85

Finding the Fourth Proportional to 153,982.85, 230,974.28 and 145,234.85

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Solution

The fourth proportional to 153,982.85, 230,974.28 and 145,234.85 is: 217,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,982.85 : 230,974.28 = 145,234.85 : x
  2. Step 2: Convert to fraction form
    153,982.85/230,974.28 = 145,234.85/x
  3. Step 3: Cross multiply
    153,982.85x = 230,974.28 × 145,234.85
  4. Step 4: Simplify right side
    153,982.85x = 33,545,514,183.48
  5. Step 5: Solve for x
    x = 33,545,514,183.48/153,982.85
  6. Step 6: Final answer
    x = 217,852.28

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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.