Home / 161,028.82-222,066.66-117,381.70

Finding the Fourth Proportional to 161,028.82, 222,066.66 and 117,381.70

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Solution

The fourth proportional to 161,028.82, 222,066.66 and 117,381.70 is: 161,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,028.82 : 222,066.66 = 117,381.70 : x
  2. Step 2: Convert to fraction form
    161,028.82/222,066.66 = 117,381.70/x
  3. Step 3: Cross multiply
    161,028.82x = 222,066.66 × 117,381.70
  4. Step 4: Simplify right side
    161,028.82x = 26,066,562,064.12
  5. Step 5: Solve for x
    x = 26,066,562,064.12/161,028.82
  6. Step 6: Final answer
    x = 161,875.14

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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.