Home / 119,301.20-164,621.52-65,577.44

Finding the Fourth Proportional to 119,301.20, 164,621.52 and 65,577.44

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Solution

The fourth proportional to 119,301.20, 164,621.52 and 65,577.44 is: 90,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,301.20 : 164,621.52 = 65,577.44 : x
  2. Step 2: Convert to fraction form
    119,301.20/164,621.52 = 65,577.44/x
  3. Step 3: Cross multiply
    119,301.20x = 164,621.52 × 65,577.44
  4. Step 4: Simplify right side
    119,301.20x = 10,795,457,850.51
  5. Step 5: Solve for x
    x = 10,795,457,850.51/119,301.20
  6. Step 6: Final answer
    x = 90,489.10

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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.