Home / 458,443.02-687,932.10-192,183.06

Finding the Fourth Proportional to 458,443.02, 687,932.10 and 192,183.06

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Solution

The fourth proportional to 458,443.02, 687,932.10 and 192,183.06 is: 288,386.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,443.02 : 687,932.10 = 192,183.06 : x
  2. Step 2: Convert to fraction form
    458,443.02/687,932.10 = 192,183.06/x
  3. Step 3: Cross multiply
    458,443.02x = 687,932.10 × 192,183.06
  4. Step 4: Simplify right side
    458,443.02x = 132,208,896,050.23
  5. Step 5: Solve for x
    x = 132,208,896,050.23/458,443.02
  6. Step 6: Final answer
    x = 288,386.76

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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.