Home / 189,114.57-260,974.37-104,231.63

Finding the Fourth Proportional to 189,114.57, 260,974.37 and 104,231.63

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Solution

The fourth proportional to 189,114.57, 260,974.37 and 104,231.63 is: 143,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,114.57 : 260,974.37 = 104,231.63 : x
  2. Step 2: Convert to fraction form
    189,114.57/260,974.37 = 104,231.63/x
  3. Step 3: Cross multiply
    189,114.57x = 260,974.37 × 104,231.63
  4. Step 4: Simplify right side
    189,114.57x = 27,201,784,886.34
  5. Step 5: Solve for x
    x = 27,201,784,886.34/189,114.57
  6. Step 6: Final answer
    x = 143,837.59

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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.