Home / 457,141.32-685,757.10-157,582.46

Finding the Fourth Proportional to 457,141.32, 685,757.10 and 157,582.46

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Solution

The fourth proportional to 457,141.32, 685,757.10 and 157,582.46 is: 236,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,141.32 : 685,757.10 = 157,582.46 : x
  2. Step 2: Convert to fraction form
    457,141.32/685,757.10 = 157,582.46/x
  3. Step 3: Cross multiply
    457,141.32x = 685,757.10 × 157,582.46
  4. Step 4: Simplify right side
    457,141.32x = 108,063,287,351.68
  5. Step 5: Solve for x
    x = 108,063,287,351.68/457,141.32
  6. Step 6: Final answer
    x = 236,389.24

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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.