Home / 199,085.60-298,576.56-65,977.76

Finding the Fourth Proportional to 199,085.60, 298,576.56 and 65,977.76

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Solution

The fourth proportional to 199,085.60, 298,576.56 and 65,977.76 is: 98,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,085.60 : 298,576.56 = 65,977.76 : x
  2. Step 2: Convert to fraction form
    199,085.60/298,576.56 = 65,977.76/x
  3. Step 3: Cross multiply
    199,085.60x = 298,576.56 × 65,977.76
  4. Step 4: Simplify right side
    199,085.60x = 19,699,412,617.31
  5. Step 5: Solve for x
    x = 19,699,412,617.31/199,085.60
  6. Step 6: Final answer
    x = 98,949.46

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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.