Home / 164,742.10-227,343.99-89,290.66

Finding the Fourth Proportional to 164,742.10, 227,343.99 and 89,290.66

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Solution

The fourth proportional to 164,742.10, 227,343.99 and 89,290.66 is: 123,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,742.10 : 227,343.99 = 89,290.66 : x
  2. Step 2: Convert to fraction form
    164,742.10/227,343.99 = 89,290.66/x
  3. Step 3: Cross multiply
    164,742.10x = 227,343.99 × 89,290.66
  4. Step 4: Simplify right side
    164,742.10x = 20,299,694,914.13
  5. Step 5: Solve for x
    x = 20,299,694,914.13/164,742.10
  6. Step 6: Final answer
    x = 123,221.05

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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.