Home / 161,236.58-222,501.87-89,614.76

Finding the Fourth Proportional to 161,236.58, 222,501.87 and 89,614.76

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Solution

The fourth proportional to 161,236.58, 222,501.87 and 89,614.76 is: 123,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,236.58 : 222,501.87 = 89,614.76 : x
  2. Step 2: Convert to fraction form
    161,236.58/222,501.87 = 89,614.76/x
  3. Step 3: Cross multiply
    161,236.58x = 222,501.87 × 89,614.76
  4. Step 4: Simplify right side
    161,236.58x = 19,939,450,567.09
  5. Step 5: Solve for x
    x = 19,939,450,567.09/161,236.58
  6. Step 6: Final answer
    x = 123,665.80

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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.