Home / 282,445.90-423,727.16-82,772.80

Finding the Fourth Proportional to 282,445.90, 423,727.16 and 82,772.80

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Solution

The fourth proportional to 282,445.90, 423,727.16 and 82,772.80 is: 124,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,445.90 : 423,727.16 = 82,772.80 : x
  2. Step 2: Convert to fraction form
    282,445.90/423,727.16 = 82,772.80/x
  3. Step 3: Cross multiply
    282,445.90x = 423,727.16 × 82,772.80
  4. Step 4: Simplify right side
    282,445.90x = 35,073,083,469.25
  5. Step 5: Solve for x
    x = 35,073,083,469.25/282,445.90
  6. Step 6: Final answer
    x = 124,176.29

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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.