Home / 192,792.22-288,685.32-155,146.66

Finding the Fourth Proportional to 192,792.22, 288,685.32 and 155,146.66

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Solution

The fourth proportional to 192,792.22, 288,685.32 and 155,146.66 is: 232,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,792.22 : 288,685.32 = 155,146.66 : x
  2. Step 2: Convert to fraction form
    192,792.22/288,685.32 = 155,146.66/x
  3. Step 3: Cross multiply
    192,792.22x = 288,685.32 × 155,146.66
  4. Step 4: Simplify right side
    192,792.22x = 44,788,563,189.03
  5. Step 5: Solve for x
    x = 44,788,563,189.03/192,792.22
  6. Step 6: Final answer
    x = 232,315.20

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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.