Home / 160,897.88-222,039.07-89,289.43

Finding the Fourth Proportional to 160,897.88, 222,039.07 and 89,289.43

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Solution

The fourth proportional to 160,897.88, 222,039.07 and 89,289.43 is: 123,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,897.88 : 222,039.07 = 89,289.43 : x
  2. Step 2: Convert to fraction form
    160,897.88/222,039.07 = 89,289.43/x
  3. Step 3: Cross multiply
    160,897.88x = 222,039.07 × 89,289.43
  4. Step 4: Simplify right side
    160,897.88x = 19,825,741,409.72
  5. Step 5: Solve for x
    x = 19,825,741,409.72/160,897.88
  6. Step 6: Final answer
    x = 123,219.41

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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.