Home / 200,729.12-277,005.74-115,846.18

Finding the Fourth Proportional to 200,729.12, 277,005.74 and 115,846.18

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Solution

The fourth proportional to 200,729.12, 277,005.74 and 115,846.18 is: 159,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,729.12 : 277,005.74 = 115,846.18 : x
  2. Step 2: Convert to fraction form
    200,729.12/277,005.74 = 115,846.18/x
  3. Step 3: Cross multiply
    200,729.12x = 277,005.74 × 115,846.18
  4. Step 4: Simplify right side
    200,729.12x = 32,090,056,817.07
  5. Step 5: Solve for x
    x = 32,090,056,817.07/200,729.12
  6. Step 6: Final answer
    x = 159,867.47

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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.