Home / 385,024.35-531,306.63-223,867.98

Finding the Fourth Proportional to 385,024.35, 531,306.63 and 223,867.98

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Solution

The fourth proportional to 385,024.35, 531,306.63 and 223,867.98 is: 308,922.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,024.35 : 531,306.63 = 223,867.98 : x
  2. Step 2: Convert to fraction form
    385,024.35/531,306.63 = 223,867.98/x
  3. Step 3: Cross multiply
    385,024.35x = 531,306.63 × 223,867.98
  4. Step 4: Simplify right side
    385,024.35x = 118,942,542,018.71
  5. Step 5: Solve for x
    x = 118,942,542,018.71/385,024.35
  6. Step 6: Final answer
    x = 308,922.13

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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.