Home / 161,466.21-222,885.37-121,296.49

Finding the Fourth Proportional to 161,466.21, 222,885.37 and 121,296.49

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Solution

The fourth proportional to 161,466.21, 222,885.37 and 121,296.49 is: 167,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,466.21 : 222,885.37 = 121,296.49 : x
  2. Step 2: Convert to fraction form
    161,466.21/222,885.37 = 121,296.49/x
  3. Step 3: Cross multiply
    161,466.21x = 222,885.37 × 121,296.49
  4. Step 4: Simplify right side
    161,466.21x = 27,035,212,647.76
  5. Step 5: Solve for x
    x = 27,035,212,647.76/161,466.21
  6. Step 6: Final answer
    x = 167,435.73

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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.