Home / 258,642.62-357,090.78-177,107.30

Finding the Fourth Proportional to 258,642.62, 357,090.78 and 177,107.30

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Solution

The fourth proportional to 258,642.62, 357,090.78 and 177,107.30 is: 244,520.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,642.62 : 357,090.78 = 177,107.30 : x
  2. Step 2: Convert to fraction form
    258,642.62/357,090.78 = 177,107.30/x
  3. Step 3: Cross multiply
    258,642.62x = 357,090.78 × 177,107.30
  4. Step 4: Simplify right side
    258,642.62x = 63,243,383,900.69
  5. Step 5: Solve for x
    x = 63,243,383,900.69/258,642.62
  6. Step 6: Final answer
    x = 244,520.35

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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.