Home / 189,456.53-261,450.04-104,573.62

Finding the Fourth Proportional to 189,456.53, 261,450.04 and 104,573.62

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Solution

The fourth proportional to 189,456.53, 261,450.04 and 104,573.62 is: 144,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,456.53 : 261,450.04 = 104,573.62 : x
  2. Step 2: Convert to fraction form
    189,456.53/261,450.04 = 104,573.62/x
  3. Step 3: Cross multiply
    189,456.53x = 261,450.04 × 104,573.62
  4. Step 4: Simplify right side
    189,456.53x = 27,340,775,824.69
  5. Step 5: Solve for x
    x = 27,340,775,824.69/189,456.53
  6. Step 6: Final answer
    x = 144,311.60

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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.