Home / 282,183.48-423,288.15-71,823.24

Finding the Fourth Proportional to 282,183.48, 423,288.15 and 71,823.24

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Solution

The fourth proportional to 282,183.48, 423,288.15 and 71,823.24 is: 107,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,183.48 : 423,288.15 = 71,823.24 : x
  2. Step 2: Convert to fraction form
    282,183.48/423,288.15 = 71,823.24/x
  3. Step 3: Cross multiply
    282,183.48x = 423,288.15 × 71,823.24
  4. Step 4: Simplify right side
    282,183.48x = 30,401,926,386.61
  5. Step 5: Solve for x
    x = 30,401,926,386.61/282,183.48
  6. Step 6: Final answer
    x = 107,738.15

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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.