Home / 147,724.96-203,853.32-84,056.80

Finding the Fourth Proportional to 147,724.96, 203,853.32 and 84,056.80

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Solution

The fourth proportional to 147,724.96, 203,853.32 and 84,056.80 is: 115,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,724.96 : 203,853.32 = 84,056.80 : x
  2. Step 2: Convert to fraction form
    147,724.96/203,853.32 = 84,056.80/x
  3. Step 3: Cross multiply
    147,724.96x = 203,853.32 × 84,056.80
  4. Step 4: Simplify right side
    147,724.96x = 17,135,257,748.58
  5. Step 5: Solve for x
    x = 17,135,257,748.58/147,724.96
  6. Step 6: Final answer
    x = 115,994.33

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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.