Home / 240,363.36-331,730.28-139,761.36

Finding the Fourth Proportional to 240,363.36, 331,730.28 and 139,761.36

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Solution

The fourth proportional to 240,363.36, 331,730.28 and 139,761.36 is: 192,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,363.36 : 331,730.28 = 139,761.36 : x
  2. Step 2: Convert to fraction form
    240,363.36/331,730.28 = 139,761.36/x
  3. Step 3: Cross multiply
    240,363.36x = 331,730.28 × 139,761.36
  4. Step 4: Simplify right side
    240,363.36x = 46,363,075,085.98
  5. Step 5: Solve for x
    x = 46,363,075,085.98/240,363.36
  6. Step 6: Final answer
    x = 192,887.45

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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.