Home / 158,669.43-238,009.82-53,489.31

Finding the Fourth Proportional to 158,669.43, 238,009.82 and 53,489.31

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Solution

The fourth proportional to 158,669.43, 238,009.82 and 53,489.31 is: 80,235.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,669.43 : 238,009.82 = 53,489.31 : x
  2. Step 2: Convert to fraction form
    158,669.43/238,009.82 = 53,489.31/x
  3. Step 3: Cross multiply
    158,669.43x = 238,009.82 × 53,489.31
  4. Step 4: Simplify right side
    158,669.43x = 12,730,980,777.58
  5. Step 5: Solve for x
    x = 12,730,980,777.58/158,669.43
  6. Step 6: Final answer
    x = 80,235.88

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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.