Home / 189,023.73-260,853.39-104,140.59

Finding the Fourth Proportional to 189,023.73, 260,853.39 and 104,140.59

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Solution

The fourth proportional to 189,023.73, 260,853.39 and 104,140.59 is: 143,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,023.73 : 260,853.39 = 104,140.59 : x
  2. Step 2: Convert to fraction form
    189,023.73/260,853.39 = 104,140.59/x
  3. Step 3: Cross multiply
    189,023.73x = 260,853.39 × 104,140.59
  4. Step 4: Simplify right side
    189,023.73x = 27,165,425,938.10
  5. Step 5: Solve for x
    x = 27,165,425,938.10/189,023.73
  6. Step 6: Final answer
    x = 143,714.37

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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.