Home / 189,316.98-261,237.20-104,434.02

Finding the Fourth Proportional to 189,316.98, 261,237.20 and 104,434.02

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Solution

The fourth proportional to 189,316.98, 261,237.20 and 104,434.02 is: 144,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,316.98 : 261,237.20 = 104,434.02 : x
  2. Step 2: Convert to fraction form
    189,316.98/261,237.20 = 104,434.02/x
  3. Step 3: Cross multiply
    189,316.98x = 261,237.20 × 104,434.02
  4. Step 4: Simplify right side
    189,316.98x = 27,282,049,663.36
  5. Step 5: Solve for x
    x = 27,282,049,663.36/189,316.98
  6. Step 6: Final answer
    x = 144,107.78

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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.