Home / 140,884.56-194,420.19-76,355.36

Finding the Fourth Proportional to 140,884.56, 194,420.19 and 76,355.36

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Solution

The fourth proportional to 140,884.56, 194,420.19 and 76,355.36 is: 105,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,884.56 : 194,420.19 = 76,355.36 : x
  2. Step 2: Convert to fraction form
    140,884.56/194,420.19 = 76,355.36/x
  3. Step 3: Cross multiply
    140,884.56x = 194,420.19 × 76,355.36
  4. Step 4: Simplify right side
    140,884.56x = 14,845,023,598.72
  5. Step 5: Solve for x
    x = 14,845,023,598.72/140,884.56
  6. Step 6: Final answer
    x = 105,370.12

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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.