Home / 190,324.48-262,528.86-122,429.87

Finding the Fourth Proportional to 190,324.48, 262,528.86 and 122,429.87

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Solution

The fourth proportional to 190,324.48, 262,528.86 and 122,429.87 is: 168,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,324.48 : 262,528.86 = 122,429.87 : x
  2. Step 2: Convert to fraction form
    190,324.48/262,528.86 = 122,429.87/x
  3. Step 3: Cross multiply
    190,324.48x = 262,528.86 × 122,429.87
  4. Step 4: Simplify right side
    190,324.48x = 32,141,374,201.05
  5. Step 5: Solve for x
    x = 32,141,374,201.05/190,324.48
  6. Step 6: Final answer
    x = 168,876.73

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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.