Home / 200,801.21-277,109.31-110,161.80

Finding the Fourth Proportional to 200,801.21, 277,109.31 and 110,161.80

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Solution

The fourth proportional to 200,801.21, 277,109.31 and 110,161.80 is: 152,025.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,801.21 : 277,109.31 = 110,161.80 : x
  2. Step 2: Convert to fraction form
    200,801.21/277,109.31 = 110,161.80/x
  3. Step 3: Cross multiply
    200,801.21x = 277,109.31 × 110,161.80
  4. Step 4: Simplify right side
    200,801.21x = 30,526,860,386.36
  5. Step 5: Solve for x
    x = 30,526,860,386.36/200,801.21
  6. Step 6: Final answer
    x = 152,025.28

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1.5x scale

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.