Home / 201,975.10-278,466.48-165,542.40

Finding the Fourth Proportional to 201,975.10, 278,466.48 and 165,542.40

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Solution

The fourth proportional to 201,975.10, 278,466.48 and 165,542.40 is: 228,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,975.10 : 278,466.48 = 165,542.40 : x
  2. Step 2: Convert to fraction form
    201,975.10/278,466.48 = 165,542.40/x
  3. Step 3: Cross multiply
    201,975.10x = 278,466.48 × 165,542.40
  4. Step 4: Simplify right side
    201,975.10x = 46,098,009,418.75
  5. Step 5: Solve for x
    x = 46,098,009,418.75/201,975.10
  6. Step 6: Final answer
    x = 228,236.10

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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.