Home / 535,042.98-802,669.32-198,086.40

Finding the Fourth Proportional to 535,042.98, 802,669.32 and 198,086.40

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Solution

The fourth proportional to 535,042.98, 802,669.32 and 198,086.40 is: 297,168.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,042.98 : 802,669.32 = 198,086.40 : x
  2. Step 2: Convert to fraction form
    535,042.98/802,669.32 = 198,086.40/x
  3. Step 3: Cross multiply
    535,042.98x = 802,669.32 × 198,086.40
  4. Step 4: Simplify right side
    535,042.98x = 158,997,875,989.25
  5. Step 5: Solve for x
    x = 158,997,875,989.25/535,042.98
  6. Step 6: Final answer
    x = 297,168.42

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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.