Home / 168,835.25-253,252.74-67,679.01

Finding the Fourth Proportional to 168,835.25, 253,252.74 and 67,679.01

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Solution

The fourth proportional to 168,835.25, 253,252.74 and 67,679.01 is: 101,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,835.25 : 253,252.74 = 67,679.01 : x
  2. Step 2: Convert to fraction form
    168,835.25/253,252.74 = 67,679.01/x
  3. Step 3: Cross multiply
    168,835.25x = 253,252.74 × 67,679.01
  4. Step 4: Simplify right side
    168,835.25x = 17,139,894,722.99
  5. Step 5: Solve for x
    x = 17,139,894,722.99/168,835.25
  6. Step 6: Final answer
    x = 101,518.46

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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.