Home / 168,647.04-253,203.84-85,599.36

Finding the Fourth Proportional to 168,647.04, 253,203.84 and 85,599.36

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Solution

The fourth proportional to 168,647.04, 253,203.84 and 85,599.36 is: 128,517.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,647.04 : 253,203.84 = 85,599.36 : x
  2. Step 2: Convert to fraction form
    168,647.04/253,203.84 = 85,599.36/x
  3. Step 3: Cross multiply
    168,647.04x = 253,203.84 × 85,599.36
  4. Step 4: Simplify right side
    168,647.04x = 21,674,086,653.54
  5. Step 5: Solve for x
    x = 21,674,086,653.54/168,647.04
  6. Step 6: Final answer
    x = 128,517.44

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1.5x scale

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.