Home / 161,105.14-222,325.16-89,491.84

Finding the Fourth Proportional to 161,105.14, 222,325.16 and 89,491.84

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Solution

The fourth proportional to 161,105.14, 222,325.16 and 89,491.84 is: 123,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,105.14 : 222,325.16 = 89,491.84 : x
  2. Step 2: Convert to fraction form
    161,105.14/222,325.16 = 89,491.84/x
  3. Step 3: Cross multiply
    161,105.14x = 222,325.16 × 89,491.84
  4. Step 4: Simplify right side
    161,105.14x = 19,896,287,646.69
  5. Step 5: Solve for x
    x = 19,896,287,646.69/161,105.14
  6. Step 6: Final answer
    x = 123,498.78

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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.