Home / 216,376.31-298,583.67-119,579.01

Finding the Fourth Proportional to 216,376.31, 298,583.67 and 119,579.01

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Solution

The fourth proportional to 216,376.31, 298,583.67 and 119,579.01 is: 165,010.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,376.31 : 298,583.67 = 119,579.01 : x
  2. Step 2: Convert to fraction form
    216,376.31/298,583.67 = 119,579.01/x
  3. Step 3: Cross multiply
    216,376.31x = 298,583.67 × 119,579.01
  4. Step 4: Simplify right side
    216,376.31x = 35,704,339,660.77
  5. Step 5: Solve for x
    x = 35,704,339,660.77/216,376.31
  6. Step 6: Final answer
    x = 165,010.39

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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.