Home / 172,853.31-238,553.24-104,887.50

Finding the Fourth Proportional to 172,853.31, 238,553.24 and 104,887.50

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Solution

The fourth proportional to 172,853.31, 238,553.24 and 104,887.50 is: 144,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,853.31 : 238,553.24 = 104,887.50 : x
  2. Step 2: Convert to fraction form
    172,853.31/238,553.24 = 104,887.50/x
  3. Step 3: Cross multiply
    172,853.31x = 238,553.24 × 104,887.50
  4. Step 4: Simplify right side
    172,853.31x = 25,021,253,330.64
  5. Step 5: Solve for x
    x = 25,021,253,330.64/172,853.31
  6. Step 6: Final answer
    x = 144,754.26

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1.5x scale

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.