Home / 189,451.28-261,440.52-104,566.52

Finding the Fourth Proportional to 189,451.28, 261,440.52 and 104,566.52

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Solution

The fourth proportional to 189,451.28, 261,440.52 and 104,566.52 is: 144,300.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,451.28 : 261,440.52 = 104,566.52 : x
  2. Step 2: Convert to fraction form
    189,451.28/261,440.52 = 104,566.52/x
  3. Step 3: Cross multiply
    189,451.28x = 261,440.52 × 104,566.52
  4. Step 4: Simplify right side
    189,451.28x = 27,337,925,363.39
  5. Step 5: Solve for x
    x = 27,337,925,363.39/189,451.28
  6. Step 6: Final answer
    x = 144,300.56

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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.