Home / 205,570.98-283,569.66-120,671.64

Finding the Fourth Proportional to 205,570.98, 283,569.66 and 120,671.64

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Solution

The fourth proportional to 205,570.98, 283,569.66 and 120,671.64 is: 166,457.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,570.98 : 283,569.66 = 120,671.64 : x
  2. Step 2: Convert to fraction form
    205,570.98/283,569.66 = 120,671.64/x
  3. Step 3: Cross multiply
    205,570.98x = 283,569.66 × 120,671.64
  4. Step 4: Simplify right side
    205,570.98x = 34,218,815,926.44
  5. Step 5: Solve for x
    x = 34,218,815,926.44/205,570.98
  6. Step 6: Final answer
    x = 166,457.42

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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.