Home / 201,729.40-278,422.86-116,893.24

Finding the Fourth Proportional to 201,729.40, 278,422.86 and 116,893.24

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Solution

The fourth proportional to 201,729.40, 278,422.86 and 116,893.24 is: 161,333.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,729.40 : 278,422.86 = 116,893.24 : x
  2. Step 2: Convert to fraction form
    201,729.40/278,422.86 = 116,893.24/x
  3. Step 3: Cross multiply
    201,729.40x = 278,422.86 × 116,893.24
  4. Step 4: Simplify right side
    201,729.40x = 32,545,750,195.47
  5. Step 5: Solve for x
    x = 32,545,750,195.47/201,729.40
  6. Step 6: Final answer
    x = 161,333.70

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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.