Home / 255,110.22-382,331.34-105,175.98

Finding the Fourth Proportional to 255,110.22, 382,331.34 and 105,175.98

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Solution

The fourth proportional to 255,110.22, 382,331.34 and 105,175.98 is: 157,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,110.22 : 382,331.34 = 105,175.98 : x
  2. Step 2: Convert to fraction form
    255,110.22/382,331.34 = 105,175.98/x
  3. Step 3: Cross multiply
    255,110.22x = 382,331.34 × 105,175.98
  4. Step 4: Simplify right side
    255,110.22x = 40,212,073,369.21
  5. Step 5: Solve for x
    x = 40,212,073,369.21/255,110.22
  6. Step 6: Final answer
    x = 157,626.27

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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.