Home / 161,437.36-222,783.68-89,817.43

Finding the Fourth Proportional to 161,437.36, 222,783.68 and 89,817.43

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Solution

The fourth proportional to 161,437.36, 222,783.68 and 89,817.43 is: 123,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,437.36 : 222,783.68 = 89,817.43 : x
  2. Step 2: Convert to fraction form
    161,437.36/222,783.68 = 89,817.43/x
  3. Step 3: Cross multiply
    161,437.36x = 222,783.68 × 89,817.43
  4. Step 4: Simplify right side
    161,437.36x = 20,009,857,583.54
  5. Step 5: Solve for x
    x = 20,009,857,583.54/161,437.36
  6. Step 6: Final answer
    x = 123,948.12

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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.