Home / 548,157.98-822,325.64-168,990.00

Finding the Fourth Proportional to 548,157.98, 822,325.64 and 168,990.00

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Solution

The fourth proportional to 548,157.98, 822,325.64 and 168,990.00 is: 253,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,157.98 : 822,325.64 = 168,990.00 : x
  2. Step 2: Convert to fraction form
    548,157.98/822,325.64 = 168,990.00/x
  3. Step 3: Cross multiply
    548,157.98x = 822,325.64 × 168,990.00
  4. Step 4: Simplify right side
    548,157.98x = 138,964,805,974.93
  5. Step 5: Solve for x
    x = 138,964,805,974.93/548,157.98
  6. Step 6: Final answer
    x = 253,512.33

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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.