Home / 190,908.10-263,437.05-115,452.10

Finding the Fourth Proportional to 190,908.10, 263,437.05 and 115,452.10

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Solution

The fourth proportional to 190,908.10, 263,437.05 and 115,452.10 is: 159,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,908.10 : 263,437.05 = 115,452.10 : x
  2. Step 2: Convert to fraction form
    190,908.10/263,437.05 = 115,452.10/x
  3. Step 3: Cross multiply
    190,908.10x = 263,437.05 × 115,452.10
  4. Step 4: Simplify right side
    190,908.10x = 30,414,360,640.31
  5. Step 5: Solve for x
    x = 30,414,360,640.31/190,908.10
  6. Step 6: Final answer
    x = 159,314.14

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1.5x scale

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.