Home / 189,479.51-261,481.47-104,596.37

Finding the Fourth Proportional to 189,479.51, 261,481.47 and 104,596.37

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Solution

The fourth proportional to 189,479.51, 261,481.47 and 104,596.37 is: 144,342.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,479.51 : 261,481.47 = 104,596.37 : x
  2. Step 2: Convert to fraction form
    189,479.51/261,481.47 = 104,596.37/x
  3. Step 3: Cross multiply
    189,479.51x = 261,481.47 × 104,596.37
  4. Step 4: Simplify right side
    189,479.51x = 27,350,012,584.26
  5. Step 5: Solve for x
    x = 27,350,012,584.26/189,479.51
  6. Step 6: Final answer
    x = 144,342.85

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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.