Home / 199,096.18-274,802.36-122,680.78

Finding the Fourth Proportional to 199,096.18, 274,802.36 and 122,680.78

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Solution

The fourth proportional to 199,096.18, 274,802.36 and 122,680.78 is: 169,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,096.18 : 274,802.36 = 122,680.78 : x
  2. Step 2: Convert to fraction form
    199,096.18/274,802.36 = 122,680.78/x
  3. Step 3: Cross multiply
    199,096.18x = 274,802.36 × 122,680.78
  4. Step 4: Simplify right side
    199,096.18x = 33,712,966,570.23
  5. Step 5: Solve for x
    x = 33,712,966,570.23/199,096.18
  6. Step 6: Final answer
    x = 169,330.05

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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.