Home / 189,375.36-261,339.60-104,498.08

Finding the Fourth Proportional to 189,375.36, 261,339.60 and 104,498.08

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Solution

The fourth proportional to 189,375.36, 261,339.60 and 104,498.08 is: 144,208.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,375.36 : 261,339.60 = 104,498.08 : x
  2. Step 2: Convert to fraction form
    189,375.36/261,339.60 = 104,498.08/x
  3. Step 3: Cross multiply
    189,375.36x = 261,339.60 × 104,498.08
  4. Step 4: Simplify right side
    189,375.36x = 27,309,486,427.97
  5. Step 5: Solve for x
    x = 27,309,486,427.97/189,375.36
  6. Step 6: Final answer
    x = 144,208.24

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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.