Home / 160,208.06-221,071.52-88,578.32

Finding the Fourth Proportional to 160,208.06, 221,071.52 and 88,578.32

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Solution

The fourth proportional to 160,208.06, 221,071.52 and 88,578.32 is: 122,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,208.06 : 221,071.52 = 88,578.32 : x
  2. Step 2: Convert to fraction form
    160,208.06/221,071.52 = 88,578.32/x
  3. Step 3: Cross multiply
    160,208.06x = 221,071.52 × 88,578.32
  4. Step 4: Simplify right side
    160,208.06x = 19,582,143,841.45
  5. Step 5: Solve for x
    x = 19,582,143,841.45/160,208.06
  6. Step 6: Final answer
    x = 122,229.45

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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.