Home / 189,344.27-261,290.71-104,461.31

Finding the Fourth Proportional to 189,344.27, 261,290.71 and 104,461.31

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Solution

The fourth proportional to 189,344.27, 261,290.71 and 104,461.31 is: 144,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,344.27 : 261,290.71 = 104,461.31 : x
  2. Step 2: Convert to fraction form
    189,344.27/261,290.71 = 104,461.31/x
  3. Step 3: Cross multiply
    189,344.27x = 261,290.71 × 104,461.31
  4. Step 4: Simplify right side
    189,344.27x = 27,294,769,857.43
  5. Step 5: Solve for x
    x = 27,294,769,857.43/189,344.27
  6. Step 6: Final answer
    x = 144,154.19

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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.