Home / 189,718.36-261,807.62-104,833.56

Finding the Fourth Proportional to 189,718.36, 261,807.62 and 104,833.56

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Solution

The fourth proportional to 189,718.36, 261,807.62 and 104,833.56 is: 144,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,718.36 : 261,807.62 = 104,833.56 : x
  2. Step 2: Convert to fraction form
    189,718.36/261,807.62 = 104,833.56/x
  3. Step 3: Cross multiply
    189,718.36x = 261,807.62 × 104,833.56
  4. Step 4: Simplify right side
    189,718.36x = 27,446,224,839.73
  5. Step 5: Solve for x
    x = 27,446,224,839.73/189,718.36
  6. Step 6: Final answer
    x = 144,668.26

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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.