Home / 285,936.66-428,605.73-96,331.51

Finding the Fourth Proportional to 285,936.66, 428,605.73 and 96,331.51

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Solution

The fourth proportional to 285,936.66, 428,605.73 and 96,331.51 is: 144,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,936.66 : 428,605.73 = 96,331.51 : x
  2. Step 2: Convert to fraction form
    285,936.66/428,605.73 = 96,331.51/x
  3. Step 3: Cross multiply
    285,936.66x = 428,605.73 × 96,331.51
  4. Step 4: Simplify right side
    285,936.66x = 41,288,235,473.07
  5. Step 5: Solve for x
    x = 41,288,235,473.07/285,936.66
  6. Step 6: Final answer
    x = 144,396.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.