Home / 282,930.14-424,395.32-69,702.20

Finding the Fourth Proportional to 282,930.14, 424,395.32 and 69,702.20

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Solution

The fourth proportional to 282,930.14, 424,395.32 and 69,702.20 is: 104,553.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,930.14 : 424,395.32 = 69,702.20 : x
  2. Step 2: Convert to fraction form
    282,930.14/424,395.32 = 69,702.20/x
  3. Step 3: Cross multiply
    282,930.14x = 424,395.32 × 69,702.20
  4. Step 4: Simplify right side
    282,930.14x = 29,581,286,412.72
  5. Step 5: Solve for x
    x = 29,581,286,412.72/282,930.14
  6. Step 6: Final answer
    x = 104,553.32

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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.