Home / 189,385.32-261,353.34-104,508.12

Finding the Fourth Proportional to 189,385.32, 261,353.34 and 104,508.12

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Solution

The fourth proportional to 189,385.32, 261,353.34 and 104,508.12 is: 144,222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,385.32 : 261,353.34 = 104,508.12 : x
  2. Step 2: Convert to fraction form
    189,385.32/261,353.34 = 104,508.12/x
  3. Step 3: Cross multiply
    189,385.32x = 261,353.34 × 104,508.12
  4. Step 4: Simplify right side
    189,385.32x = 27,313,546,219.12
  5. Step 5: Solve for x
    x = 27,313,546,219.12/189,385.32
  6. Step 6: Final answer
    x = 144,222.09

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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.