Home / 240,017.96-331,265.22-139,474.28

Finding the Fourth Proportional to 240,017.96, 331,265.22 and 139,474.28

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Solution

The fourth proportional to 240,017.96, 331,265.22 and 139,474.28 is: 192,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,017.96 : 331,265.22 = 139,474.28 : x
  2. Step 2: Convert to fraction form
    240,017.96/331,265.22 = 139,474.28/x
  3. Step 3: Cross multiply
    240,017.96x = 331,265.22 × 139,474.28
  4. Step 4: Simplify right side
    240,017.96x = 46,202,978,048.54
  5. Step 5: Solve for x
    x = 46,202,978,048.54/240,017.96
  6. Step 6: Final answer
    x = 192,498.00

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1.5x scale

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.