Home / 212,711.18-293,543.37-117,221.27

Finding the Fourth Proportional to 212,711.18, 293,543.37 and 117,221.27

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Solution

The fourth proportional to 212,711.18, 293,543.37 and 117,221.27 is: 161,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,711.18 : 293,543.37 = 117,221.27 : x
  2. Step 2: Convert to fraction form
    212,711.18/293,543.37 = 117,221.27/x
  3. Step 3: Cross multiply
    212,711.18x = 293,543.37 × 117,221.27
  4. Step 4: Simplify right side
    212,711.18x = 34,409,525,163.76
  5. Step 5: Solve for x
    x = 34,409,525,163.76/212,711.18
  6. Step 6: Final answer
    x = 161,766.42

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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.