Home / 160,955.19-222,017.11-103,668.75

Finding the Fourth Proportional to 160,955.19, 222,017.11 and 103,668.75

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Solution

The fourth proportional to 160,955.19, 222,017.11 and 103,668.75 is: 142,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,955.19 : 222,017.11 = 103,668.75 : x
  2. Step 2: Convert to fraction form
    160,955.19/222,017.11 = 103,668.75/x
  3. Step 3: Cross multiply
    160,955.19x = 222,017.11 × 103,668.75
  4. Step 4: Simplify right side
    160,955.19x = 23,016,236,272.31
  5. Step 5: Solve for x
    x = 23,016,236,272.31/160,955.19
  6. Step 6: Final answer
    x = 142,997.79

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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.