Home / 161,187.67-222,370.00-100,653.22

Finding the Fourth Proportional to 161,187.67, 222,370.00 and 100,653.22

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Solution

The fourth proportional to 161,187.67, 222,370.00 and 100,653.22 is: 138,858.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,187.67 : 222,370.00 = 100,653.22 : x
  2. Step 2: Convert to fraction form
    161,187.67/222,370.00 = 100,653.22/x
  3. Step 3: Cross multiply
    161,187.67x = 222,370.00 × 100,653.22
  4. Step 4: Simplify right side
    161,187.67x = 22,382,256,669.65
  5. Step 5: Solve for x
    x = 22,382,256,669.65/161,187.67
  6. Step 6: Final answer
    x = 138,858.37

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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.