Home / 189,723.60-261,816.48-104,835.60

Finding the Fourth Proportional to 189,723.60, 261,816.48 and 104,835.60

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Solution

The fourth proportional to 189,723.60, 261,816.48 and 104,835.60 is: 144,671.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,723.60 : 261,816.48 = 104,835.60 : x
  2. Step 2: Convert to fraction form
    189,723.60/261,816.48 = 104,835.60/x
  3. Step 3: Cross multiply
    189,723.60x = 261,816.48 × 104,835.60
  4. Step 4: Simplify right side
    189,723.60x = 27,447,687,770.69
  5. Step 5: Solve for x
    x = 27,447,687,770.69/189,723.60
  6. Step 6: Final answer
    x = 144,671.97

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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.