Home / 201,675.37-278,301.45-111,013.63

Finding the Fourth Proportional to 201,675.37, 278,301.45 and 111,013.63

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Solution

The fourth proportional to 201,675.37, 278,301.45 and 111,013.63 is: 153,192.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,675.37 : 278,301.45 = 111,013.63 : x
  2. Step 2: Convert to fraction form
    201,675.37/278,301.45 = 111,013.63/x
  3. Step 3: Cross multiply
    201,675.37x = 278,301.45 × 111,013.63
  4. Step 4: Simplify right side
    201,675.37x = 30,895,253,471.83
  5. Step 5: Solve for x
    x = 30,895,253,471.83/201,675.37
  6. Step 6: Final answer
    x = 153,192.99

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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.