Home / 161,553.42-222,938.73-89,931.87

Finding the Fourth Proportional to 161,553.42, 222,938.73 and 89,931.87

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Solution

The fourth proportional to 161,553.42, 222,938.73 and 89,931.87 is: 124,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,553.42 : 222,938.73 = 89,931.87 : x
  2. Step 2: Convert to fraction form
    161,553.42/222,938.73 = 89,931.87/x
  3. Step 3: Cross multiply
    161,553.42x = 222,938.73 × 89,931.87
  4. Step 4: Simplify right side
    161,553.42x = 20,049,296,884.33
  5. Step 5: Solve for x
    x = 20,049,296,884.33/161,553.42
  6. Step 6: Final answer
    x = 124,103.20

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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.