Home / 160,909.44-222,054.31-89,289.29

Finding the Fourth Proportional to 160,909.44, 222,054.31 and 89,289.29

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Solution

The fourth proportional to 160,909.44, 222,054.31 and 89,289.29 is: 123,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,909.44 : 222,054.31 = 89,289.29 : x
  2. Step 2: Convert to fraction form
    160,909.44/222,054.31 = 89,289.29/x
  3. Step 3: Cross multiply
    160,909.44x = 222,054.31 × 89,289.29
  4. Step 4: Simplify right side
    160,909.44x = 19,827,071,099.03
  5. Step 5: Solve for x
    x = 19,827,071,099.03/160,909.44
  6. Step 6: Final answer
    x = 123,218.82

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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.