Home / 282,113.91-423,198.14-82,429.74

Finding the Fourth Proportional to 282,113.91, 423,198.14 and 82,429.74

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Solution

The fourth proportional to 282,113.91, 423,198.14 and 82,429.74 is: 123,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,113.91 : 423,198.14 = 82,429.74 : x
  2. Step 2: Convert to fraction form
    282,113.91/423,198.14 = 82,429.74/x
  3. Step 3: Cross multiply
    282,113.91x = 423,198.14 × 82,429.74
  4. Step 4: Simplify right side
    282,113.91x = 34,884,112,236.53
  5. Step 5: Solve for x
    x = 34,884,112,236.53/282,113.91
  6. Step 6: Final answer
    x = 123,652.58

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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.