Home / 161,512.10-222,884.47-89,892.15

Finding the Fourth Proportional to 161,512.10, 222,884.47 and 89,892.15

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Solution

The fourth proportional to 161,512.10, 222,884.47 and 89,892.15 is: 124,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,512.10 : 222,884.47 = 89,892.15 : x
  2. Step 2: Convert to fraction form
    161,512.10/222,884.47 = 89,892.15/x
  3. Step 3: Cross multiply
    161,512.10x = 222,884.47 × 89,892.15
  4. Step 4: Simplify right side
    161,512.10x = 20,035,564,322.28
  5. Step 5: Solve for x
    x = 20,035,564,322.28/161,512.10
  6. Step 6: Final answer
    x = 124,049.93

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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.