Home / 286,369.11-395,166.24-165,518.22

Finding the Fourth Proportional to 286,369.11, 395,166.24 and 165,518.22

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Solution

The fourth proportional to 286,369.11, 395,166.24 and 165,518.22 is: 228,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,369.11 : 395,166.24 = 165,518.22 : x
  2. Step 2: Convert to fraction form
    286,369.11/395,166.24 = 165,518.22/x
  3. Step 3: Cross multiply
    286,369.11x = 395,166.24 × 165,518.22
  4. Step 4: Simplify right side
    286,369.11x = 65,407,212,648.89
  5. Step 5: Solve for x
    x = 65,407,212,648.89/286,369.11
  6. Step 6: Final answer
    x = 228,401.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.