Home / 190,400.27-262,871.78-122,535.08

Finding the Fourth Proportional to 190,400.27, 262,871.78 and 122,535.08

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Solution

The fourth proportional to 190,400.27, 262,871.78 and 122,535.08 is: 169,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,400.27 : 262,871.78 = 122,535.08 : x
  2. Step 2: Convert to fraction form
    190,400.27/262,871.78 = 122,535.08/x
  3. Step 3: Cross multiply
    190,400.27x = 262,871.78 × 122,535.08
  4. Step 4: Simplify right side
    190,400.27x = 32,211,014,340.04
  5. Step 5: Solve for x
    x = 32,211,014,340.04/190,400.27
  6. Step 6: Final answer
    x = 169,175.26

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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.