Home / 160,945.28-222,097.92-89,328.32

Finding the Fourth Proportional to 160,945.28, 222,097.92 and 89,328.32

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Solution

The fourth proportional to 160,945.28, 222,097.92 and 89,328.32 is: 123,269.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,945.28 : 222,097.92 = 89,328.32 : x
  2. Step 2: Convert to fraction form
    160,945.28/222,097.92 = 89,328.32/x
  3. Step 3: Cross multiply
    160,945.28x = 222,097.92 × 89,328.32
  4. Step 4: Simplify right side
    160,945.28x = 19,839,634,069.09
  5. Step 5: Solve for x
    x = 19,839,634,069.09/160,945.28
  6. Step 6: Final answer
    x = 123,269.44

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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.