Home / 161,195.76-222,448.55-89,574.28

Finding the Fourth Proportional to 161,195.76, 222,448.55 and 89,574.28

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Solution

The fourth proportional to 161,195.76, 222,448.55 and 89,574.28 is: 123,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,195.76 : 222,448.55 = 89,574.28 : x
  2. Step 2: Convert to fraction form
    161,195.76/222,448.55 = 89,574.28/x
  3. Step 3: Cross multiply
    161,195.76x = 222,448.55 × 89,574.28
  4. Step 4: Simplify right side
    161,195.76x = 19,925,667,699.30
  5. Step 5: Solve for x
    x = 19,925,667,699.30/161,195.76
  6. Step 6: Final answer
    x = 123,611.61

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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.