Home / 189,542.52-261,561.83-104,657.76

Finding the Fourth Proportional to 189,542.52, 261,561.83 and 104,657.76

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Solution

The fourth proportional to 189,542.52, 261,561.83 and 104,657.76 is: 144,423.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,542.52 : 261,561.83 = 104,657.76 : x
  2. Step 2: Convert to fraction form
    189,542.52/261,561.83 = 104,657.76/x
  3. Step 3: Cross multiply
    189,542.52x = 261,561.83 × 104,657.76
  4. Step 4: Simplify right side
    189,542.52x = 27,374,474,706.01
  5. Step 5: Solve for x
    x = 27,374,474,706.01/189,542.52
  6. Step 6: Final answer
    x = 144,423.93

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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.