Home / 168,734.04-253,005.20-68,777.16

Finding the Fourth Proportional to 168,734.04, 253,005.20 and 68,777.16

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Solution

The fourth proportional to 168,734.04, 253,005.20 and 68,777.16 is: 103,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,734.04 : 253,005.20 = 68,777.16 : x
  2. Step 2: Convert to fraction form
    168,734.04/253,005.20 = 68,777.16/x
  3. Step 3: Cross multiply
    168,734.04x = 253,005.20 × 68,777.16
  4. Step 4: Simplify right side
    168,734.04x = 17,400,979,121.23
  5. Step 5: Solve for x
    x = 17,400,979,121.23/168,734.04
  6. Step 6: Final answer
    x = 103,126.67

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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.