Home / 457,144.18-685,761.38-157,585.32

Finding the Fourth Proportional to 457,144.18, 685,761.38 and 157,585.32

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Solution

The fourth proportional to 457,144.18, 685,761.38 and 157,585.32 is: 236,393.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,144.18 : 685,761.38 = 157,585.32 : x
  2. Step 2: Convert to fraction form
    457,144.18/685,761.38 = 157,585.32/x
  3. Step 3: Cross multiply
    457,144.18x = 685,761.38 × 157,585.32
  4. Step 4: Simplify right side
    457,144.18x = 108,065,926,313.96
  5. Step 5: Solve for x
    x = 108,065,926,313.96/457,144.18
  6. Step 6: Final answer
    x = 236,393.53

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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.