Home / 189,436.34-261,414.51-104,552.30

Finding the Fourth Proportional to 189,436.34, 261,414.51 and 104,552.30

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Solution

The fourth proportional to 189,436.34, 261,414.51 and 104,552.30 is: 144,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,436.34 : 261,414.51 = 104,552.30 : x
  2. Step 2: Convert to fraction form
    189,436.34/261,414.51 = 104,552.30/x
  3. Step 3: Cross multiply
    189,436.34x = 261,414.51 × 104,552.30
  4. Step 4: Simplify right side
    189,436.34x = 27,331,488,273.87
  5. Step 5: Solve for x
    x = 27,331,488,273.87/189,436.34
  6. Step 6: Final answer
    x = 144,277.96

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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.