Home / 215,350.31-297,183.47-119,863.19

Finding the Fourth Proportional to 215,350.31, 297,183.47 and 119,863.19

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Solution

The fourth proportional to 215,350.31, 297,183.47 and 119,863.19 is: 165,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,350.31 : 297,183.47 = 119,863.19 : x
  2. Step 2: Convert to fraction form
    215,350.31/297,183.47 = 119,863.19/x
  3. Step 3: Cross multiply
    215,350.31x = 297,183.47 × 119,863.19
  4. Step 4: Simplify right side
    215,350.31x = 35,621,358,873.11
  5. Step 5: Solve for x
    x = 35,621,358,873.11/215,350.31
  6. Step 6: Final answer
    x = 165,411.22

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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.