Home / 141,894.06-195,815.27-78,234.14

Finding the Fourth Proportional to 141,894.06, 195,815.27 and 78,234.14

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Solution

The fourth proportional to 141,894.06, 195,815.27 and 78,234.14 is: 107,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,894.06 : 195,815.27 = 78,234.14 : x
  2. Step 2: Convert to fraction form
    141,894.06/195,815.27 = 78,234.14/x
  3. Step 3: Cross multiply
    141,894.06x = 195,815.27 × 78,234.14
  4. Step 4: Simplify right side
    141,894.06x = 15,319,437,877.07
  5. Step 5: Solve for x
    x = 15,319,437,877.07/141,894.06
  6. Step 6: Final answer
    x = 107,963.91

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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.