Home / 228,615.90-343,145.19-110,370.21

Finding the Fourth Proportional to 228,615.90, 343,145.19 and 110,370.21

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Solution

The fourth proportional to 228,615.90, 343,145.19 and 110,370.21 is: 165,662.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,615.90 : 343,145.19 = 110,370.21 : x
  2. Step 2: Convert to fraction form
    228,615.90/343,145.19 = 110,370.21/x
  3. Step 3: Cross multiply
    228,615.90x = 343,145.19 × 110,370.21
  4. Step 4: Simplify right side
    228,615.90x = 37,873,006,128.94
  5. Step 5: Solve for x
    x = 37,873,006,128.94/228,615.90
  6. Step 6: Final answer
    x = 165,662.17

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1.5x scale

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.