Home / 189,458.33-261,433.88-104,569.92

Finding the Fourth Proportional to 189,458.33, 261,433.88 and 104,569.92

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Solution

The fourth proportional to 189,458.33, 261,433.88 and 104,569.92 is: 144,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,458.33 : 261,433.88 = 104,569.92 : x
  2. Step 2: Convert to fraction form
    189,458.33/261,433.88 = 104,569.92/x
  3. Step 3: Cross multiply
    189,458.33x = 261,433.88 × 104,569.92
  4. Step 4: Simplify right side
    189,458.33x = 27,338,119,916.89
  5. Step 5: Solve for x
    x = 27,338,119,916.89/189,458.33
  6. Step 6: Final answer
    x = 144,296.21

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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.