Home / 201,135.26-277,557.69-120,607.22

Finding the Fourth Proportional to 201,135.26, 277,557.69 and 120,607.22

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Solution

The fourth proportional to 201,135.26, 277,557.69 and 120,607.22 is: 166,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,135.26 : 277,557.69 = 120,607.22 : x
  2. Step 2: Convert to fraction form
    201,135.26/277,557.69 = 120,607.22/x
  3. Step 3: Cross multiply
    201,135.26x = 277,557.69 × 120,607.22
  4. Step 4: Simplify right side
    201,135.26x = 33,475,461,380.52
  5. Step 5: Solve for x
    x = 33,475,461,380.52/201,135.26
  6. Step 6: Final answer
    x = 166,432.59

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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.