Home / 201,486.14-278,042.09-110,836.35

Finding the Fourth Proportional to 201,486.14, 278,042.09 and 110,836.35

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Solution

The fourth proportional to 201,486.14, 278,042.09 and 110,836.35 is: 152,949.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,486.14 : 278,042.09 = 110,836.35 : x
  2. Step 2: Convert to fraction form
    201,486.14/278,042.09 = 110,836.35/x
  3. Step 3: Cross multiply
    201,486.14x = 278,042.09 × 110,836.35
  4. Step 4: Simplify right side
    201,486.14x = 30,817,170,679.06
  5. Step 5: Solve for x
    x = 30,817,170,679.06/201,486.14
  6. Step 6: Final answer
    x = 152,949.34

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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.