Home / 240,266.16-331,571.34-139,664.16

Finding the Fourth Proportional to 240,266.16, 331,571.34 and 139,664.16

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Solution

The fourth proportional to 240,266.16, 331,571.34 and 139,664.16 is: 192,738.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,266.16 : 331,571.34 = 139,664.16 : x
  2. Step 2: Convert to fraction form
    240,266.16/331,571.34 = 139,664.16/x
  3. Step 3: Cross multiply
    240,266.16x = 331,571.34 × 139,664.16
  4. Step 4: Simplify right side
    240,266.16x = 46,308,632,681.17
  5. Step 5: Solve for x
    x = 46,308,632,681.17/240,266.16
  6. Step 6: Final answer
    x = 192,738.89

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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.