Home / 161,355.06-222,652.94-89,723.52

Finding the Fourth Proportional to 161,355.06, 222,652.94 and 89,723.52

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Solution

The fourth proportional to 161,355.06, 222,652.94 and 89,723.52 is: 123,808.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,355.06 : 222,652.94 = 89,723.52 : x
  2. Step 2: Convert to fraction form
    161,355.06/222,652.94 = 89,723.52/x
  3. Step 3: Cross multiply
    161,355.06x = 222,652.94 × 89,723.52
  4. Step 4: Simplify right side
    161,355.06x = 19,977,205,066.53
  5. Step 5: Solve for x
    x = 19,977,205,066.53/161,355.06
  6. Step 6: Final answer
    x = 123,808.98

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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.