Home / 201,860.16-278,546.14-124,323.45

Finding the Fourth Proportional to 201,860.16, 278,546.14 and 124,323.45

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Solution

The fourth proportional to 201,860.16, 278,546.14 and 124,323.45 is: 171,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,860.16 : 278,546.14 = 124,323.45 : x
  2. Step 2: Convert to fraction form
    201,860.16/278,546.14 = 124,323.45/x
  3. Step 3: Cross multiply
    201,860.16x = 278,546.14 × 124,323.45
  4. Step 4: Simplify right side
    201,860.16x = 34,629,817,108.98
  5. Step 5: Solve for x
    x = 34,629,817,108.98/201,860.16
  6. Step 6: Final answer
    x = 171,553.50

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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.