Home / 161,589.87-222,880.01-140,040.63

Finding the Fourth Proportional to 161,589.87, 222,880.01 and 140,040.63

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Solution

The fourth proportional to 161,589.87, 222,880.01 and 140,040.63 is: 193,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,589.87 : 222,880.01 = 140,040.63 : x
  2. Step 2: Convert to fraction form
    161,589.87/222,880.01 = 140,040.63/x
  3. Step 3: Cross multiply
    161,589.87x = 222,880.01 × 140,040.63
  4. Step 4: Simplify right side
    161,589.87x = 31,212,256,314.60
  5. Step 5: Solve for x
    x = 31,212,256,314.60/161,589.87
  6. Step 6: Final answer
    x = 193,157.26

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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.