Home / 140,116.22-193,360.01-76,453.97

Finding the Fourth Proportional to 140,116.22, 193,360.01 and 76,453.97

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Solution

The fourth proportional to 140,116.22, 193,360.01 and 76,453.97 is: 105,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,116.22 : 193,360.01 = 76,453.97 : x
  2. Step 2: Convert to fraction form
    140,116.22/193,360.01 = 76,453.97/x
  3. Step 3: Cross multiply
    140,116.22x = 193,360.01 × 76,453.97
  4. Step 4: Simplify right side
    140,116.22x = 14,783,139,054.67
  5. Step 5: Solve for x
    x = 14,783,139,054.67/140,116.22
  6. Step 6: Final answer
    x = 105,506.27

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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.