Home / 189,226.80-261,135.72-104,343.84

Finding the Fourth Proportional to 189,226.80, 261,135.72 and 104,343.84

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Solution

The fourth proportional to 189,226.80, 261,135.72 and 104,343.84 is: 143,996.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,226.80 : 261,135.72 = 104,343.84 : x
  2. Step 2: Convert to fraction form
    189,226.80/261,135.72 = 104,343.84/x
  3. Step 3: Cross multiply
    189,226.80x = 261,135.72 × 104,343.84
  4. Step 4: Simplify right side
    189,226.80x = 27,247,903,785.96
  5. Step 5: Solve for x
    x = 27,247,903,785.96/189,226.80
  6. Step 6: Final answer
    x = 143,996.01

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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.