Home / 205,715.32-283,772.82-119,664.62

Finding the Fourth Proportional to 205,715.32, 283,772.82 and 119,664.62

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Solution

The fourth proportional to 205,715.32, 283,772.82 and 119,664.62 is: 165,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,715.32 : 283,772.82 = 119,664.62 : x
  2. Step 2: Convert to fraction form
    205,715.32/283,772.82 = 119,664.62/x
  3. Step 3: Cross multiply
    205,715.32x = 283,772.82 × 119,664.62
  4. Step 4: Simplify right side
    205,715.32x = 33,957,566,671.63
  5. Step 5: Solve for x
    x = 33,957,566,671.63/205,715.32
  6. Step 6: Final answer
    x = 165,070.67

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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.