Home / 188,746.72-260,470.54-103,863.84

Finding the Fourth Proportional to 188,746.72, 260,470.54 and 103,863.84

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Solution

The fourth proportional to 188,746.72, 260,470.54 and 103,863.84 is: 143,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,746.72 : 260,470.54 = 103,863.84 : x
  2. Step 2: Convert to fraction form
    188,746.72/260,470.54 = 103,863.84/x
  3. Step 3: Cross multiply
    188,746.72x = 260,470.54 × 103,863.84
  4. Step 4: Simplify right side
    188,746.72x = 27,053,470,491.27
  5. Step 5: Solve for x
    x = 27,053,470,491.27/188,746.72
  6. Step 6: Final answer
    x = 143,332.14

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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.