Home / 189,333.24-261,279.85-104,450.30

Finding the Fourth Proportional to 189,333.24, 261,279.85 and 104,450.30

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Solution

The fourth proportional to 189,333.24, 261,279.85 and 104,450.30 is: 144,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,333.24 : 261,279.85 = 104,450.30 : x
  2. Step 2: Convert to fraction form
    189,333.24/261,279.85 = 104,450.30/x
  3. Step 3: Cross multiply
    189,333.24x = 261,279.85 × 104,450.30
  4. Step 4: Simplify right side
    189,333.24x = 27,290,758,716.46
  5. Step 5: Solve for x
    x = 27,290,758,716.46/189,333.24
  6. Step 6: Final answer
    x = 144,141.41

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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.