Home / 143,348.44-197,774.61-79,673.95

Finding the Fourth Proportional to 143,348.44, 197,774.61 and 79,673.95

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Solution

The fourth proportional to 143,348.44, 197,774.61 and 79,673.95 is: 109,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,348.44 : 197,774.61 = 79,673.95 : x
  2. Step 2: Convert to fraction form
    143,348.44/197,774.61 = 79,673.95/x
  3. Step 3: Cross multiply
    143,348.44x = 197,774.61 × 79,673.95
  4. Step 4: Simplify right side
    143,348.44x = 15,757,484,388.41
  5. Step 5: Solve for x
    x = 15,757,484,388.41/143,348.44
  6. Step 6: Final answer
    x = 109,924.35

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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.