Home / 161,072.94-222,280.83-89,453.10

Finding the Fourth Proportional to 161,072.94, 222,280.83 and 89,453.10

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Solution

The fourth proportional to 161,072.94, 222,280.83 and 89,453.10 is: 123,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.94 : 222,280.83 = 89,453.10 : x
  2. Step 2: Convert to fraction form
    161,072.94/222,280.83 = 89,453.10/x
  3. Step 3: Cross multiply
    161,072.94x = 222,280.83 × 89,453.10
  4. Step 4: Simplify right side
    161,072.94x = 19,883,709,314.07
  5. Step 5: Solve for x
    x = 19,883,709,314.07/161,072.94
  6. Step 6: Final answer
    x = 123,445.37

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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.