Home / 130,258.19-195,381.32-54,325.37

Finding the Fourth Proportional to 130,258.19, 195,381.32 and 54,325.37

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Solution

The fourth proportional to 130,258.19, 195,381.32 and 54,325.37 is: 81,485.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,258.19 : 195,381.32 = 54,325.37 : x
  2. Step 2: Convert to fraction form
    130,258.19/195,381.32 = 54,325.37/x
  3. Step 3: Cross multiply
    130,258.19x = 195,381.32 × 54,325.37
  4. Step 4: Simplify right side
    130,258.19x = 10,614,161,251.56
  5. Step 5: Solve for x
    x = 10,614,161,251.56/130,258.19
  6. Step 6: Final answer
    x = 81,485.56

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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.