Home / 140,780.19-211,197.84-61,894.17

Finding the Fourth Proportional to 140,780.19, 211,197.84 and 61,894.17

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Solution

The fourth proportional to 140,780.19, 211,197.84 and 61,894.17 is: 92,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,780.19 : 211,197.84 = 61,894.17 : x
  2. Step 2: Convert to fraction form
    140,780.19/211,197.84 = 61,894.17/x
  3. Step 3: Cross multiply
    140,780.19x = 211,197.84 × 61,894.17
  4. Step 4: Simplify right side
    140,780.19x = 13,071,915,012.59
  5. Step 5: Solve for x
    x = 13,071,915,012.59/140,780.19
  6. Step 6: Final answer
    x = 92,853.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.