Home / 256,789.16-354,417.69-172,053.44

Finding the Fourth Proportional to 256,789.16, 354,417.69 and 172,053.44

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Solution

The fourth proportional to 256,789.16, 354,417.69 and 172,053.44 is: 237,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,789.16 : 354,417.69 = 172,053.44 : x
  2. Step 2: Convert to fraction form
    256,789.16/354,417.69 = 172,053.44/x
  3. Step 3: Cross multiply
    256,789.16x = 354,417.69 × 172,053.44
  4. Step 4: Simplify right side
    256,789.16x = 60,978,780,989.27
  5. Step 5: Solve for x
    x = 60,978,780,989.27/256,789.16
  6. Step 6: Final answer
    x = 237,466.34

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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.