Home / 216,862.26-325,212.48-74,667.36

Finding the Fourth Proportional to 216,862.26, 325,212.48 and 74,667.36

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Solution

The fourth proportional to 216,862.26, 325,212.48 and 74,667.36 is: 111,973.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,862.26 : 325,212.48 = 74,667.36 : x
  2. Step 2: Convert to fraction form
    216,862.26/325,212.48 = 74,667.36/x
  3. Step 3: Cross multiply
    216,862.26x = 325,212.48 × 74,667.36
  4. Step 4: Simplify right side
    216,862.26x = 24,282,757,320.65
  5. Step 5: Solve for x
    x = 24,282,757,320.65/216,862.26
  6. Step 6: Final answer
    x = 111,973.18

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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.