Home / 262,895.10-394,342.65-168,416.70

Finding the Fourth Proportional to 262,895.10, 394,342.65 and 168,416.70

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Solution

The fourth proportional to 262,895.10, 394,342.65 and 168,416.70 is: 252,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,895.10 : 394,342.65 = 168,416.70 : x
  2. Step 2: Convert to fraction form
    262,895.10/394,342.65 = 168,416.70/x
  3. Step 3: Cross multiply
    262,895.10x = 394,342.65 × 168,416.70
  4. Step 4: Simplify right side
    262,895.10x = 66,413,887,782.26
  5. Step 5: Solve for x
    x = 66,413,887,782.26/262,895.10
  6. Step 6: Final answer
    x = 252,625.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.