Home / 189,516.34-261,532.38-104,633.92

Finding the Fourth Proportional to 189,516.34, 261,532.38 and 104,633.92

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Solution

The fourth proportional to 189,516.34, 261,532.38 and 104,633.92 is: 144,394.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,516.34 : 261,532.38 = 104,633.92 : x
  2. Step 2: Convert to fraction form
    189,516.34/261,532.38 = 104,633.92/x
  3. Step 3: Cross multiply
    189,516.34x = 261,532.38 × 104,633.92
  4. Step 4: Simplify right side
    189,516.34x = 27,365,158,126.33
  5. Step 5: Solve for x
    x = 27,365,158,126.33/189,516.34
  6. Step 6: Final answer
    x = 144,394.72

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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.