Home / 161,532.44-222,909.81-89,910.62

Finding the Fourth Proportional to 161,532.44, 222,909.81 and 89,910.62

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Solution

The fourth proportional to 161,532.44, 222,909.81 and 89,910.62 is: 124,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532.44 : 222,909.81 = 89,910.62 : x
  2. Step 2: Convert to fraction form
    161,532.44/222,909.81 = 89,910.62/x
  3. Step 3: Cross multiply
    161,532.44x = 222,909.81 × 89,910.62
  4. Step 4: Simplify right side
    161,532.44x = 20,041,958,771.63
  5. Step 5: Solve for x
    x = 20,041,958,771.63/161,532.44
  6. Step 6: Final answer
    x = 124,073.89

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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.