Home / 258,450.42-356,609.28-150,999.69

Finding the Fourth Proportional to 258,450.42, 356,609.28 and 150,999.69

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Solution

The fourth proportional to 258,450.42, 356,609.28 and 150,999.69 is: 208,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,450.42 : 356,609.28 = 150,999.69 : x
  2. Step 2: Convert to fraction form
    258,450.42/356,609.28 = 150,999.69/x
  3. Step 3: Cross multiply
    258,450.42x = 356,609.28 × 150,999.69
  4. Step 4: Simplify right side
    258,450.42x = 53,847,890,731.12
  5. Step 5: Solve for x
    x = 53,847,890,731.12/258,450.42
  6. Step 6: Final answer
    x = 208,349.02

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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.