Home / 189,227.19-261,127.92-104,344.23

Finding the Fourth Proportional to 189,227.19, 261,127.92 and 104,344.23

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Solution

The fourth proportional to 189,227.19, 261,127.92 and 104,344.23 is: 143,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,227.19 : 261,127.92 = 104,344.23 : x
  2. Step 2: Convert to fraction form
    189,227.19/261,127.92 = 104,344.23/x
  3. Step 3: Cross multiply
    189,227.19x = 261,127.92 × 104,344.23
  4. Step 4: Simplify right side
    189,227.19x = 27,247,191,743.90
  5. Step 5: Solve for x
    x = 27,247,191,743.90/189,227.19
  6. Step 6: Final answer
    x = 143,991.95

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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.