Home / 258,530.49-356,771.18-145,353.24

Finding the Fourth Proportional to 258,530.49, 356,771.18 and 145,353.24

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Solution

The fourth proportional to 258,530.49, 356,771.18 and 145,353.24 is: 200,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,530.49 : 356,771.18 = 145,353.24 : x
  2. Step 2: Convert to fraction form
    258,530.49/356,771.18 = 145,353.24/x
  3. Step 3: Cross multiply
    258,530.49x = 356,771.18 × 145,353.24
  4. Step 4: Simplify right side
    258,530.49x = 51,857,847,315.01
  5. Step 5: Solve for x
    x = 51,857,847,315.01/258,530.49
  6. Step 6: Final answer
    x = 200,586.97

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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.