Home / 199,678.54-275,557.74-109,035.16

Finding the Fourth Proportional to 199,678.54, 275,557.74 and 109,035.16

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Solution

The fourth proportional to 199,678.54, 275,557.74 and 109,035.16 is: 150,469.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,678.54 : 275,557.74 = 109,035.16 : x
  2. Step 2: Convert to fraction form
    199,678.54/275,557.74 = 109,035.16/x
  3. Step 3: Cross multiply
    199,678.54x = 275,557.74 × 109,035.16
  4. Step 4: Simplify right side
    199,678.54x = 30,045,482,270.14
  5. Step 5: Solve for x
    x = 30,045,482,270.14/199,678.54
  6. Step 6: Final answer
    x = 150,469.26

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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.