Home / 141,890.36-195,605.17-111,623.07

Finding the Fourth Proportional to 141,890.36, 195,605.17 and 111,623.07

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Solution

The fourth proportional to 141,890.36, 195,605.17 and 111,623.07 is: 153,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,890.36 : 195,605.17 = 111,623.07 : x
  2. Step 2: Convert to fraction form
    141,890.36/195,605.17 = 111,623.07/x
  3. Step 3: Cross multiply
    141,890.36x = 195,605.17 × 111,623.07
  4. Step 4: Simplify right side
    141,890.36x = 21,834,049,025.16
  5. Step 5: Solve for x
    x = 21,834,049,025.16/141,890.36
  6. Step 6: Final answer
    x = 153,879.73

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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.