Home / 189,137.92-261,010.36-104,256.84

Finding the Fourth Proportional to 189,137.92, 261,010.36 and 104,256.84

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Solution

The fourth proportional to 189,137.92, 261,010.36 and 104,256.84 is: 143,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,137.92 : 261,010.36 = 104,256.84 : x
  2. Step 2: Convert to fraction form
    189,137.92/261,010.36 = 104,256.84/x
  3. Step 3: Cross multiply
    189,137.92x = 261,010.36 × 104,256.84
  4. Step 4: Simplify right side
    189,137.92x = 27,212,115,340.86
  5. Step 5: Solve for x
    x = 27,212,115,340.86/189,137.92
  6. Step 6: Final answer
    x = 143,874.46

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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.