Home / 352,228.20-486,075-199,263.36

Finding the Fourth Proportional to 352,228.20, 486,075 and 199,263.36

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Solution

The fourth proportional to 352,228.20, 486,075 and 199,263.36 is: 274,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,228.20 : 486,075 = 199,263.36 : x
  2. Step 2: Convert to fraction form
    352,228.20/486,075 = 199,263.36/x
  3. Step 3: Cross multiply
    352,228.20x = 486,075 × 199,263.36
  4. Step 4: Simplify right side
    352,228.20x = 96,856,937,712
  5. Step 5: Solve for x
    x = 96,856,937,712/352,228.20
  6. Step 6: Final answer
    x = 274,983.48

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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.