Home / 214,746.54-322,161.32-81,616.42

Finding the Fourth Proportional to 214,746.54, 322,161.32 and 81,616.42

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Solution

The fourth proportional to 214,746.54, 322,161.32 and 81,616.42 is: 122,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,746.54 : 322,161.32 = 81,616.42 : x
  2. Step 2: Convert to fraction form
    214,746.54/322,161.32 = 81,616.42/x
  3. Step 3: Cross multiply
    214,746.54x = 322,161.32 × 81,616.42
  4. Step 4: Simplify right side
    214,746.54x = 26,293,653,225.27
  5. Step 5: Solve for x
    x = 26,293,653,225.27/214,746.54
  6. Step 6: Final answer
    x = 122,440.40

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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.