Home / 161,568.60-222,954.21-89,946.78

Finding the Fourth Proportional to 161,568.60, 222,954.21 and 89,946.78

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Solution

The fourth proportional to 161,568.60, 222,954.21 and 89,946.78 is: 124,120.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,568.60 : 222,954.21 = 89,946.78 : x
  2. Step 2: Convert to fraction form
    161,568.60/222,954.21 = 89,946.78/x
  3. Step 3: Cross multiply
    161,568.60x = 222,954.21 × 89,946.78
  4. Step 4: Simplify right side
    161,568.60x = 20,054,013,276.94
  5. Step 5: Solve for x
    x = 20,054,013,276.94/161,568.60
  6. Step 6: Final answer
    x = 124,120.73

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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.