Home / 160,806.77-221,897.66-89,185.25

Finding the Fourth Proportional to 160,806.77, 221,897.66 and 89,185.25

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Solution

The fourth proportional to 160,806.77, 221,897.66 and 89,185.25 is: 123,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,806.77 : 221,897.66 = 89,185.25 : x
  2. Step 2: Convert to fraction form
    160,806.77/221,897.66 = 89,185.25/x
  3. Step 3: Cross multiply
    160,806.77x = 221,897.66 × 89,185.25
  4. Step 4: Simplify right side
    160,806.77x = 19,789,997,172.03
  5. Step 5: Solve for x
    x = 19,789,997,172.03/160,806.77
  6. Step 6: Final answer
    x = 123,066.94

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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.