Home / 161,135.49-222,372.80-93,173.78

Finding the Fourth Proportional to 161,135.49, 222,372.80 and 93,173.78

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Solution

The fourth proportional to 161,135.49, 222,372.80 and 93,173.78 is: 128,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,135.49 : 222,372.80 = 93,173.78 : x
  2. Step 2: Convert to fraction form
    161,135.49/222,372.80 = 93,173.78/x
  3. Step 3: Cross multiply
    161,135.49x = 222,372.80 × 93,173.78
  4. Step 4: Simplify right side
    161,135.49x = 20,719,315,134.05
  5. Step 5: Solve for x
    x = 20,719,315,134.05/161,135.49
  6. Step 6: Final answer
    x = 128,583.19

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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.