Home / 168,823.96-253,142.44-69,054.20

Finding the Fourth Proportional to 168,823.96, 253,142.44 and 69,054.20

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Solution

The fourth proportional to 168,823.96, 253,142.44 and 69,054.20 is: 103,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,823.96 : 253,142.44 = 69,054.20 : x
  2. Step 2: Convert to fraction form
    168,823.96/253,142.44 = 69,054.20/x
  3. Step 3: Cross multiply
    168,823.96x = 253,142.44 × 69,054.20
  4. Step 4: Simplify right side
    168,823.96x = 17,480,548,680.25
  5. Step 5: Solve for x
    x = 17,480,548,680.25/168,823.96
  6. Step 6: Final answer
    x = 103,543.06

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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.