Home / 161,263.10-222,529.41-88,662.09

Finding the Fourth Proportional to 161,263.10, 222,529.41 and 88,662.09

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Solution

The fourth proportional to 161,263.10, 222,529.41 and 88,662.09 is: 122,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,263.10 : 222,529.41 = 88,662.09 : x
  2. Step 2: Convert to fraction form
    161,263.10/222,529.41 = 88,662.09/x
  3. Step 3: Cross multiply
    161,263.10x = 222,529.41 × 88,662.09
  4. Step 4: Simplify right side
    161,263.10x = 19,729,923,411.55
  5. Step 5: Solve for x
    x = 19,729,923,411.55/161,263.10
  6. Step 6: Final answer
    x = 122,346.17

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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.