Home / 192,447.06-288,587.05-74,035.28

Finding the Fourth Proportional to 192,447.06, 288,587.05 and 74,035.28

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Solution

The fourth proportional to 192,447.06, 288,587.05 and 74,035.28 is: 111,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,447.06 : 288,587.05 = 74,035.28 : x
  2. Step 2: Convert to fraction form
    192,447.06/288,587.05 = 74,035.28/x
  3. Step 3: Cross multiply
    192,447.06x = 288,587.05 × 74,035.28
  4. Step 4: Simplify right side
    192,447.06x = 21,365,623,587.50
  5. Step 5: Solve for x
    x = 21,365,623,587.50/192,447.06
  6. Step 6: Final answer
    x = 111,020.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.