Home / 189,683.96-261,760.74-104,808.92

Finding the Fourth Proportional to 189,683.96, 261,760.74 and 104,808.92

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Solution

The fourth proportional to 189,683.96, 261,760.74 and 104,808.92 is: 144,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,683.96 : 261,760.74 = 104,808.92 : x
  2. Step 2: Convert to fraction form
    189,683.96/261,760.74 = 104,808.92/x
  3. Step 3: Cross multiply
    189,683.96x = 261,760.74 × 104,808.92
  4. Step 4: Simplify right side
    189,683.96x = 27,434,859,149.00
  5. Step 5: Solve for x
    x = 27,434,859,149.00/189,683.96
  6. Step 6: Final answer
    x = 144,634.58

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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.