Home / 205,365.41-283,285.99-123,636.82

Finding the Fourth Proportional to 205,365.41, 283,285.99 and 123,636.82

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Solution

The fourth proportional to 205,365.41, 283,285.99 and 123,636.82 is: 170,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,365.41 : 283,285.99 = 123,636.82 : x
  2. Step 2: Convert to fraction form
    205,365.41/283,285.99 = 123,636.82/x
  3. Step 3: Cross multiply
    205,365.41x = 283,285.99 × 123,636.82
  4. Step 4: Simplify right side
    205,365.41x = 35,024,578,954.15
  5. Step 5: Solve for x
    x = 35,024,578,954.15/205,365.41
  6. Step 6: Final answer
    x = 170,547.61

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1.5x scale

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.