Home / 201,110.64-277,525.08-111,692.40

Finding the Fourth Proportional to 201,110.64, 277,525.08 and 111,692.40

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Solution

The fourth proportional to 201,110.64, 277,525.08 and 111,692.40 is: 154,131.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,110.64 : 277,525.08 = 111,692.40 : x
  2. Step 2: Convert to fraction form
    201,110.64/277,525.08 = 111,692.40/x
  3. Step 3: Cross multiply
    201,110.64x = 277,525.08 × 111,692.40
  4. Step 4: Simplify right side
    201,110.64x = 30,997,442,245.39
  5. Step 5: Solve for x
    x = 30,997,442,245.39/201,110.64
  6. Step 6: Final answer
    x = 154,131.29

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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.