Home / 189,541.67-261,569.18-104,665.19

Finding the Fourth Proportional to 189,541.67, 261,569.18 and 104,665.19

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Solution

The fourth proportional to 189,541.67, 261,569.18 and 104,665.19 is: 144,438.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,541.67 : 261,569.18 = 104,665.19 : x
  2. Step 2: Convert to fraction form
    189,541.67/261,569.18 = 104,665.19/x
  3. Step 3: Cross multiply
    189,541.67x = 261,569.18 × 104,665.19
  4. Step 4: Simplify right side
    189,541.67x = 27,377,187,399.52
  5. Step 5: Solve for x
    x = 27,377,187,399.52/189,541.67
  6. Step 6: Final answer
    x = 144,438.88

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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.