Home / 190,302.23-262,017.92-161,565.05

Finding the Fourth Proportional to 190,302.23, 262,017.92 and 161,565.05

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Solution

The fourth proportional to 190,302.23, 262,017.92 and 161,565.05 is: 222,451.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,302.23 : 262,017.92 = 161,565.05 : x
  2. Step 2: Convert to fraction form
    190,302.23/262,017.92 = 161,565.05/x
  3. Step 3: Cross multiply
    190,302.23x = 262,017.92 × 161,565.05
  4. Step 4: Simplify right side
    190,302.23x = 42,332,939,404.65
  5. Step 5: Solve for x
    x = 42,332,939,404.65/190,302.23
  6. Step 6: Final answer
    x = 222,451.09

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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.