Home / 160,825.08-221,919.57-89,187.60

Finding the Fourth Proportional to 160,825.08, 221,919.57 and 89,187.60

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Solution

The fourth proportional to 160,825.08, 221,919.57 and 89,187.60 is: 123,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,825.08 : 221,919.57 = 89,187.60 : x
  2. Step 2: Convert to fraction form
    160,825.08/221,919.57 = 89,187.60/x
  3. Step 3: Cross multiply
    160,825.08x = 221,919.57 × 89,187.60
  4. Step 4: Simplify right side
    160,825.08x = 19,792,473,841.33
  5. Step 5: Solve for x
    x = 19,792,473,841.33/160,825.08
  6. Step 6: Final answer
    x = 123,068.33

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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.