Home / 160,890.85-222,025.98-89,269.33

Finding the Fourth Proportional to 160,890.85, 222,025.98 and 89,269.33

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Solution

The fourth proportional to 160,890.85, 222,025.98 and 89,269.33 is: 123,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.85 : 222,025.98 = 89,269.33 : x
  2. Step 2: Convert to fraction form
    160,890.85/222,025.98 = 89,269.33/x
  3. Step 3: Cross multiply
    160,890.85x = 222,025.98 × 89,269.33
  4. Step 4: Simplify right side
    160,890.85x = 19,820,110,477.19
  5. Step 5: Solve for x
    x = 19,820,110,477.19/160,890.85
  6. Step 6: Final answer
    x = 123,189.79

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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.