Home / 351,000.51-484,380.80-198,071.19

Finding the Fourth Proportional to 351,000.51, 484,380.80 and 198,071.19

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Solution

The fourth proportional to 351,000.51, 484,380.80 and 198,071.19 is: 273,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,000.51 : 484,380.80 = 198,071.19 : x
  2. Step 2: Convert to fraction form
    351,000.51/484,380.80 = 198,071.19/x
  3. Step 3: Cross multiply
    351,000.51x = 484,380.80 × 198,071.19
  4. Step 4: Simplify right side
    351,000.51x = 95,941,880,478.80
  5. Step 5: Solve for x
    x = 95,941,880,478.80/351,000.51
  6. Step 6: Final answer
    x = 273,338.29

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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.