Home / 138,788.19-208,182.83-33,607.26

Finding the Fourth Proportional to 138,788.19, 208,182.83 and 33,607.26

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Solution

The fourth proportional to 138,788.19, 208,182.83 and 33,607.26 is: 50,411.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,788.19 : 208,182.83 = 33,607.26 : x
  2. Step 2: Convert to fraction form
    138,788.19/208,182.83 = 33,607.26/x
  3. Step 3: Cross multiply
    138,788.19x = 208,182.83 × 33,607.26
  4. Step 4: Simplify right side
    138,788.19x = 6,996,454,327.31
  5. Step 5: Solve for x
    x = 6,996,454,327.31/138,788.19
  6. Step 6: Final answer
    x = 50,411.02

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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.