Home / 188,966.81-260,774.18-104,083.86

Finding the Fourth Proportional to 188,966.81, 260,774.18 and 104,083.86

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Solution

The fourth proportional to 188,966.81, 260,774.18 and 104,083.86 is: 143,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,966.81 : 260,774.18 = 104,083.86 : x
  2. Step 2: Convert to fraction form
    188,966.81/260,774.18 = 104,083.86/x
  3. Step 3: Cross multiply
    188,966.81x = 260,774.18 × 104,083.86
  4. Step 4: Simplify right side
    188,966.81x = 27,142,382,722.32
  5. Step 5: Solve for x
    x = 27,142,382,722.32/188,966.81
  6. Step 6: Final answer
    x = 143,635.72

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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.