Home / 190,435.80-262,682.01-122,541.06

Finding the Fourth Proportional to 190,435.80, 262,682.01 and 122,541.06

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Solution

The fourth proportional to 190,435.80, 262,682.01 and 122,541.06 is: 169,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,435.80 : 262,682.01 = 122,541.06 : x
  2. Step 2: Convert to fraction form
    190,435.80/262,682.01 = 122,541.06/x
  3. Step 3: Cross multiply
    190,435.80x = 262,682.01 × 122,541.06
  4. Step 4: Simplify right side
    190,435.80x = 32,189,331,948.33
  5. Step 5: Solve for x
    x = 32,189,331,948.33/190,435.80
  6. Step 6: Final answer
    x = 169,029.84

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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.