Home / 189,539.92-261,566.76-104,663.44

Finding the Fourth Proportional to 189,539.92, 261,566.76 and 104,663.44

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Solution

The fourth proportional to 189,539.92, 261,566.76 and 104,663.44 is: 144,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,539.92 : 261,566.76 = 104,663.44 : x
  2. Step 2: Convert to fraction form
    189,539.92/261,566.76 = 104,663.44/x
  3. Step 3: Cross multiply
    189,539.92x = 261,566.76 × 104,663.44
  4. Step 4: Simplify right side
    189,539.92x = 27,376,476,891.25
  5. Step 5: Solve for x
    x = 27,376,476,891.25/189,539.92
  6. Step 6: Final answer
    x = 144,436.47

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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.