Home / 190,903.24-263,471.70-115,437.16

Finding the Fourth Proportional to 190,903.24, 263,471.70 and 115,437.16

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Solution

The fourth proportional to 190,903.24, 263,471.70 and 115,437.16 is: 159,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,903.24 : 263,471.70 = 115,437.16 : x
  2. Step 2: Convert to fraction form
    190,903.24/263,471.70 = 115,437.16/x
  3. Step 3: Cross multiply
    190,903.24x = 263,471.70 × 115,437.16
  4. Step 4: Simplify right side
    190,903.24x = 30,414,424,788.37
  5. Step 5: Solve for x
    x = 30,414,424,788.37/190,903.24
  6. Step 6: Final answer
    x = 159,318.54

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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.