Home / 189,223.68-261,128.52-104,346.12

Finding the Fourth Proportional to 189,223.68, 261,128.52 and 104,346.12

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Solution

The fourth proportional to 189,223.68, 261,128.52 and 104,346.12 is: 143,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,223.68 : 261,128.52 = 104,346.12 : x
  2. Step 2: Convert to fraction form
    189,223.68/261,128.52 = 104,346.12/x
  3. Step 3: Cross multiply
    189,223.68x = 261,128.52 × 104,346.12
  4. Step 4: Simplify right side
    189,223.68x = 27,247,747,883.34
  5. Step 5: Solve for x
    x = 27,247,747,883.34/189,223.68
  6. Step 6: Final answer
    x = 143,997.56

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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.