Home / 161,666.02-222,867.75-113,770.54

Finding the Fourth Proportional to 161,666.02, 222,867.75 and 113,770.54

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Solution

The fourth proportional to 161,666.02, 222,867.75 and 113,770.54 is: 156,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,666.02 : 222,867.75 = 113,770.54 : x
  2. Step 2: Convert to fraction form
    161,666.02/222,867.75 = 113,770.54/x
  3. Step 3: Cross multiply
    161,666.02x = 222,867.75 × 113,770.54
  4. Step 4: Simplify right side
    161,666.02x = 25,355,784,266.09
  5. Step 5: Solve for x
    x = 25,355,784,266.09/161,666.02
  6. Step 6: Final answer
    x = 156,840.53

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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.