Home / 282,166.32-423,241.28-82,491.40

Finding the Fourth Proportional to 282,166.32, 423,241.28 and 82,491.40

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Solution

The fourth proportional to 282,166.32, 423,241.28 and 82,491.40 is: 123,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,166.32 : 423,241.28 = 82,491.40 : x
  2. Step 2: Convert to fraction form
    282,166.32/423,241.28 = 82,491.40/x
  3. Step 3: Cross multiply
    282,166.32x = 423,241.28 × 82,491.40
  4. Step 4: Simplify right side
    282,166.32x = 34,913,765,724.99
  5. Step 5: Solve for x
    x = 34,913,765,724.99/282,166.32
  6. Step 6: Final answer
    x = 123,734.70

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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.