Home / 189,444.71-261,415.08-104,556.30

Finding the Fourth Proportional to 189,444.71, 261,415.08 and 104,556.30

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Solution

The fourth proportional to 189,444.71, 261,415.08 and 104,556.30 is: 144,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,444.71 : 261,415.08 = 104,556.30 : x
  2. Step 2: Convert to fraction form
    189,444.71/261,415.08 = 104,556.30/x
  3. Step 3: Cross multiply
    189,444.71x = 261,415.08 × 104,556.30
  4. Step 4: Simplify right side
    189,444.71x = 27,332,593,529.00
  5. Step 5: Solve for x
    x = 27,332,593,529.00/189,444.71
  6. Step 6: Final answer
    x = 144,277.42

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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.