Home / 161,289.19-222,566.46-89,664.85

Finding the Fourth Proportional to 161,289.19, 222,566.46 and 89,664.85

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Solution

The fourth proportional to 161,289.19, 222,566.46 and 89,664.85 is: 123,730.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,289.19 : 222,566.46 = 89,664.85 : x
  2. Step 2: Convert to fraction form
    161,289.19/222,566.46 = 89,664.85/x
  3. Step 3: Cross multiply
    161,289.19x = 222,566.46 × 89,664.85
  4. Step 4: Simplify right side
    161,289.19x = 19,956,388,250.93
  5. Step 5: Solve for x
    x = 19,956,388,250.93/161,289.19
  6. Step 6: Final answer
    x = 123,730.48

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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.