Home / 207,900.64-286,902.83-117,256.42

Finding the Fourth Proportional to 207,900.64, 286,902.83 and 117,256.42

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Solution

The fourth proportional to 207,900.64, 286,902.83 and 117,256.42 is: 161,813.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900.64 : 286,902.83 = 117,256.42 : x
  2. Step 2: Convert to fraction form
    207,900.64/286,902.83 = 117,256.42/x
  3. Step 3: Cross multiply
    207,900.64x = 286,902.83 × 117,256.42
  4. Step 4: Simplify right side
    207,900.64x = 33,641,198,733.67
  5. Step 5: Solve for x
    x = 33,641,198,733.67/207,900.64
  6. Step 6: Final answer
    x = 161,813.83

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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.