Home / 161,084.37-222,299.18-88,490.32

Finding the Fourth Proportional to 161,084.37, 222,299.18 and 88,490.32

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Solution

The fourth proportional to 161,084.37, 222,299.18 and 88,490.32 is: 122,118.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,084.37 : 222,299.18 = 88,490.32 : x
  2. Step 2: Convert to fraction form
    161,084.37/222,299.18 = 88,490.32/x
  3. Step 3: Cross multiply
    161,084.37x = 222,299.18 × 88,490.32
  4. Step 4: Simplify right side
    161,084.37x = 19,671,325,573.94
  5. Step 5: Solve for x
    x = 19,671,325,573.94/161,084.37
  6. Step 6: Final answer
    x = 122,118.15

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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.