Home / 212,814.62-293,684.20-122,176.46

Finding the Fourth Proportional to 212,814.62, 293,684.20 and 122,176.46

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Solution

The fourth proportional to 212,814.62, 293,684.20 and 122,176.46 is: 168,603.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,814.62 : 293,684.20 = 122,176.46 : x
  2. Step 2: Convert to fraction form
    212,814.62/293,684.20 = 122,176.46/x
  3. Step 3: Cross multiply
    212,814.62x = 293,684.20 × 122,176.46
  4. Step 4: Simplify right side
    212,814.62x = 35,881,295,913.93
  5. Step 5: Solve for x
    x = 35,881,295,913.93/212,814.62
  6. Step 6: Final answer
    x = 168,603.53

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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.