Home / 189,026.36-260,856.25-104,143.42

Finding the Fourth Proportional to 189,026.36, 260,856.25 and 104,143.42

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Solution

The fourth proportional to 189,026.36, 260,856.25 and 104,143.42 is: 143,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,026.36 : 260,856.25 = 104,143.42 : x
  2. Step 2: Convert to fraction form
    189,026.36/260,856.25 = 104,143.42/x
  3. Step 3: Cross multiply
    189,026.36x = 260,856.25 × 104,143.42
  4. Step 4: Simplify right side
    189,026.36x = 27,166,462,069.09
  5. Step 5: Solve for x
    x = 27,166,462,069.09/189,026.36
  6. Step 6: Final answer
    x = 143,717.85

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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.