Home / 189,359.82-261,318.15-104,482.62

Finding the Fourth Proportional to 189,359.82, 261,318.15 and 104,482.62

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Solution

The fourth proportional to 189,359.82, 261,318.15 and 104,482.62 is: 144,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,359.82 : 261,318.15 = 104,482.62 : x
  2. Step 2: Convert to fraction form
    189,359.82/261,318.15 = 104,482.62/x
  3. Step 3: Cross multiply
    189,359.82x = 261,318.15 × 104,482.62
  4. Step 4: Simplify right side
    189,359.82x = 27,303,204,965.55
  5. Step 5: Solve for x
    x = 27,303,204,965.55/189,359.82
  6. Step 6: Final answer
    x = 144,186.90

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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.