Home / 376,898.96-519,943.50-223,941.80

Finding the Fourth Proportional to 376,898.96, 519,943.50 and 223,941.80

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Solution

The fourth proportional to 376,898.96, 519,943.50 and 223,941.80 is: 308,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,898.96 : 519,943.50 = 223,941.80 : x
  2. Step 2: Convert to fraction form
    376,898.96/519,943.50 = 223,941.80/x
  3. Step 3: Cross multiply
    376,898.96x = 519,943.50 × 223,941.80
  4. Step 4: Simplify right side
    376,898.96x = 116,437,080,688.58
  5. Step 5: Solve for x
    x = 116,437,080,688.58/376,898.96
  6. Step 6: Final answer
    x = 308,934.47

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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.