Home / 285,752.80-428,629.14-96,197.26

Finding the Fourth Proportional to 285,752.80, 428,629.14 and 96,197.26

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Solution

The fourth proportional to 285,752.80, 428,629.14 and 96,197.26 is: 144,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,752.80 : 428,629.14 = 96,197.26 : x
  2. Step 2: Convert to fraction form
    285,752.80/428,629.14 = 96,197.26/x
  3. Step 3: Cross multiply
    285,752.80x = 428,629.14 × 96,197.26
  4. Step 4: Simplify right side
    285,752.80x = 41,232,948,824.16
  5. Step 5: Solve for x
    x = 41,232,948,824.16/285,752.80
  6. Step 6: Final answer
    x = 144,295.87

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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.