Home / 457,146.02-685,764.11-157,587.17

Finding the Fourth Proportional to 457,146.02, 685,764.11 and 157,587.17

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Solution

The fourth proportional to 457,146.02, 685,764.11 and 157,587.17 is: 236,396.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,146.02 : 685,764.11 = 157,587.17 : x
  2. Step 2: Convert to fraction form
    457,146.02/685,764.11 = 157,587.17/x
  3. Step 3: Cross multiply
    457,146.02x = 685,764.11 × 157,587.17
  4. Step 4: Simplify right side
    457,146.02x = 108,067,622,347.62
  5. Step 5: Solve for x
    x = 108,067,622,347.62/457,146.02
  6. Step 6: Final answer
    x = 236,396.29

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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.