Home / 282,144.27-423,172.66-82,411.02

Finding the Fourth Proportional to 282,144.27, 423,172.66 and 82,411.02

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Solution

The fourth proportional to 282,144.27, 423,172.66 and 82,411.02 is: 123,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,144.27 : 423,172.66 = 82,411.02 : x
  2. Step 2: Convert to fraction form
    282,144.27/423,172.66 = 82,411.02/x
  3. Step 3: Cross multiply
    282,144.27x = 423,172.66 × 82,411.02
  4. Step 4: Simplify right side
    282,144.27x = 34,874,090,546.71
  5. Step 5: Solve for x
    x = 34,874,090,546.71/282,144.27
  6. Step 6: Final answer
    x = 123,603.75

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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.