Home / 161,426.97-222,772.20-89,813.67

Finding the Fourth Proportional to 161,426.97, 222,772.20 and 89,813.67

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Solution

The fourth proportional to 161,426.97, 222,772.20 and 89,813.67 is: 123,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,426.97 : 222,772.20 = 89,813.67 : x
  2. Step 2: Convert to fraction form
    161,426.97/222,772.20 = 89,813.67/x
  3. Step 3: Cross multiply
    161,426.97x = 222,772.20 × 89,813.67
  4. Step 4: Simplify right side
    161,426.97x = 20,007,988,855.97
  5. Step 5: Solve for x
    x = 20,007,988,855.97/161,426.97
  6. Step 6: Final answer
    x = 123,944.52

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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.