Home / 161,289.33-222,584.94-88,697.70

Finding the Fourth Proportional to 161,289.33, 222,584.94 and 88,697.70

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Solution

The fourth proportional to 161,289.33, 222,584.94 and 88,697.70 is: 122,405.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289.33 : 222,584.94 = 88,697.70 : x
  2. Step 2: Convert to fraction form
    161,289.33/222,584.94 = 88,697.70/x
  3. Step 3: Cross multiply
    161,289.33x = 222,584.94 × 88,697.70
  4. Step 4: Simplify right side
    161,289.33x = 19,742,772,232.64
  5. Step 5: Solve for x
    x = 19,742,772,232.64/161,289.33
  6. Step 6: Final answer
    x = 122,405.94

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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.