Home / 189,201.08-261,097.17-104,318.39

Finding the Fourth Proportional to 189,201.08, 261,097.17 and 104,318.39

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Solution

The fourth proportional to 189,201.08, 261,097.17 and 104,318.39 is: 143,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,201.08 : 261,097.17 = 104,318.39 : x
  2. Step 2: Convert to fraction form
    189,201.08/261,097.17 = 104,318.39/x
  3. Step 3: Cross multiply
    189,201.08x = 261,097.17 × 104,318.39
  4. Step 4: Simplify right side
    189,201.08x = 27,237,236,407.96
  5. Step 5: Solve for x
    x = 27,237,236,407.96/189,201.08
  6. Step 6: Final answer
    x = 143,959.20

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1.5x scale

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.