Home / 161,586.86-222,991.40-89,968.42

Finding the Fourth Proportional to 161,586.86, 222,991.40 and 89,968.42

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Solution

The fourth proportional to 161,586.86, 222,991.40 and 89,968.42 is: 124,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,586.86 : 222,991.40 = 89,968.42 : x
  2. Step 2: Convert to fraction form
    161,586.86/222,991.40 = 89,968.42/x
  3. Step 3: Cross multiply
    161,586.86x = 222,991.40 × 89,968.42
  4. Step 4: Simplify right side
    161,586.86x = 20,062,183,931.59
  5. Step 5: Solve for x
    x = 20,062,183,931.59/161,586.86
  6. Step 6: Final answer
    x = 124,157.27

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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.