Home / 161,844.90-222,837.66-137,598.09

Finding the Fourth Proportional to 161,844.90, 222,837.66 and 137,598.09

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Solution

The fourth proportional to 161,844.90, 222,837.66 and 137,598.09 is: 189,453.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,844.90 : 222,837.66 = 137,598.09 : x
  2. Step 2: Convert to fraction form
    161,844.90/222,837.66 = 137,598.09/x
  3. Step 3: Cross multiply
    161,844.90x = 222,837.66 × 137,598.09
  4. Step 4: Simplify right side
    161,844.90x = 30,662,036,396.07
  5. Step 5: Solve for x
    x = 30,662,036,396.07/161,844.90
  6. Step 6: Final answer
    x = 189,453.21

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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.