Home / 161,558.06-222,955.26-101,109.38

Finding the Fourth Proportional to 161,558.06, 222,955.26 and 101,109.38

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Solution

The fourth proportional to 161,558.06, 222,955.26 and 101,109.38 is: 139,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,558.06 : 222,955.26 = 101,109.38 : x
  2. Step 2: Convert to fraction form
    161,558.06/222,955.26 = 101,109.38/x
  3. Step 3: Cross multiply
    161,558.06x = 222,955.26 × 101,109.38
  4. Step 4: Simplify right side
    161,558.06x = 22,542,868,663.73
  5. Step 5: Solve for x
    x = 22,542,868,663.73/161,558.06
  6. Step 6: Final answer
    x = 139,534.16

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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.