Home / 161,472.25-222,811.64-89,847.19

Finding the Fourth Proportional to 161,472.25, 222,811.64 and 89,847.19

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Solution

The fourth proportional to 161,472.25, 222,811.64 and 89,847.19 is: 123,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,472.25 : 222,811.64 = 89,847.19 : x
  2. Step 2: Convert to fraction form
    161,472.25/222,811.64 = 89,847.19/x
  3. Step 3: Cross multiply
    161,472.25x = 222,811.64 × 89,847.19
  4. Step 4: Simplify right side
    161,472.25x = 20,018,998,639.23
  5. Step 5: Solve for x
    x = 20,018,998,639.23/161,472.25
  6. Step 6: Final answer
    x = 123,977.95

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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.