Home / 240,365.36-331,733.04-139,763.36

Finding the Fourth Proportional to 240,365.36, 331,733.04 and 139,763.36

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Solution

The fourth proportional to 240,365.36, 331,733.04 and 139,763.36 is: 192,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,365.36 : 331,733.04 = 139,763.36 : x
  2. Step 2: Convert to fraction form
    240,365.36/331,733.04 = 139,763.36/x
  3. Step 3: Cross multiply
    240,365.36x = 331,733.04 × 139,763.36
  4. Step 4: Simplify right side
    240,365.36x = 46,364,124,293.41
  5. Step 5: Solve for x
    x = 46,364,124,293.41/240,365.36
  6. Step 6: Final answer
    x = 192,890.21

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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.