Home / 368,823.20-508,849.98-223,673.36

Finding the Fourth Proportional to 368,823.20, 508,849.98 and 223,673.36

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Solution

The fourth proportional to 368,823.20, 508,849.98 and 223,673.36 is: 308,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,823.20 : 508,849.98 = 223,673.36 : x
  2. Step 2: Convert to fraction form
    368,823.20/508,849.98 = 223,673.36/x
  3. Step 3: Cross multiply
    368,823.20x = 508,849.98 × 223,673.36
  4. Step 4: Simplify right side
    368,823.20x = 113,816,184,762.53
  5. Step 5: Solve for x
    x = 113,816,184,762.53/368,823.20
  6. Step 6: Final answer
    x = 308,592.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.