Home / 189,026.48-260,857.20-104,143.34

Finding the Fourth Proportional to 189,026.48, 260,857.20 and 104,143.34

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Solution

The fourth proportional to 189,026.48, 260,857.20 and 104,143.34 is: 143,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,026.48 : 260,857.20 = 104,143.34 : x
  2. Step 2: Convert to fraction form
    189,026.48/260,857.20 = 104,143.34/x
  3. Step 3: Cross multiply
    189,026.48x = 260,857.20 × 104,143.34
  4. Step 4: Simplify right side
    189,026.48x = 27,166,540,071.05
  5. Step 5: Solve for x
    x = 27,166,540,071.05/189,026.48
  6. Step 6: Final answer
    x = 143,718.17

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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.