Home / 148,696.42-205,204.70-80,713.22

Finding the Fourth Proportional to 148,696.42, 205,204.70 and 80,713.22

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Solution

The fourth proportional to 148,696.42, 205,204.70 and 80,713.22 is: 111,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,696.42 : 205,204.70 = 80,713.22 : x
  2. Step 2: Convert to fraction form
    148,696.42/205,204.70 = 80,713.22/x
  3. Step 3: Cross multiply
    148,696.42x = 205,204.70 × 80,713.22
  4. Step 4: Simplify right side
    148,696.42x = 16,562,732,096.13
  5. Step 5: Solve for x
    x = 16,562,732,096.13/148,696.42
  6. Step 6: Final answer
    x = 111,386.22

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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.