Home / 282,469.10-423,710.67-82,768.46

Finding the Fourth Proportional to 282,469.10, 423,710.67 and 82,768.46

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Solution

The fourth proportional to 282,469.10, 423,710.67 and 82,768.46 is: 124,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,469.10 : 423,710.67 = 82,768.46 : x
  2. Step 2: Convert to fraction form
    282,469.10/423,710.67 = 82,768.46/x
  3. Step 3: Cross multiply
    282,469.10x = 423,710.67 × 82,768.46
  4. Step 4: Simplify right side
    282,469.10x = 35,069,879,641.47
  5. Step 5: Solve for x
    x = 35,069,879,641.47/282,469.10
  6. Step 6: Final answer
    x = 124,154.75

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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.