Home / 161,228.56-222,478.50-89,597.02

Finding the Fourth Proportional to 161,228.56, 222,478.50 and 89,597.02

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Solution

The fourth proportional to 161,228.56, 222,478.50 and 89,597.02 is: 123,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,228.56 : 222,478.50 = 89,597.02 : x
  2. Step 2: Convert to fraction form
    161,228.56/222,478.50 = 89,597.02/x
  3. Step 3: Cross multiply
    161,228.56x = 222,478.50 × 89,597.02
  4. Step 4: Simplify right side
    161,228.56x = 19,933,410,614.07
  5. Step 5: Solve for x
    x = 19,933,410,614.07/161,228.56
  6. Step 6: Final answer
    x = 123,634.49

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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.