Home / 457,143.46-685,760.25-157,584.60

Finding the Fourth Proportional to 457,143.46, 685,760.25 and 157,584.60

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Solution

The fourth proportional to 457,143.46, 685,760.25 and 157,584.60 is: 236,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,143.46 : 685,760.25 = 157,584.60 : x
  2. Step 2: Convert to fraction form
    457,143.46/685,760.25 = 157,584.60/x
  3. Step 3: Cross multiply
    457,143.46x = 685,760.25 × 157,584.60
  4. Step 4: Simplify right side
    457,143.46x = 108,065,254,692.15
  5. Step 5: Solve for x
    x = 108,065,254,692.15/457,143.46
  6. Step 6: Final answer
    x = 236,392.43

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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.