Home / 160,897.20-222,039.66-89,283.88

Finding the Fourth Proportional to 160,897.20, 222,039.66 and 89,283.88

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Solution

The fourth proportional to 160,897.20, 222,039.66 and 89,283.88 is: 123,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,897.20 : 222,039.66 = 89,283.88 : x
  2. Step 2: Convert to fraction form
    160,897.20/222,039.66 = 89,283.88/x
  3. Step 3: Cross multiply
    160,897.20x = 222,039.66 × 89,283.88
  4. Step 4: Simplify right side
    160,897.20x = 19,824,562,358.68
  5. Step 5: Solve for x
    x = 19,824,562,358.68/160,897.20
  6. Step 6: Final answer
    x = 123,212.60

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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.