Home / 385,198.01-531,743.51-230,203.98

Finding the Fourth Proportional to 385,198.01, 531,743.51 and 230,203.98

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Solution

The fourth proportional to 385,198.01, 531,743.51 and 230,203.98 is: 317,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,198.01 : 531,743.51 = 230,203.98 : x
  2. Step 2: Convert to fraction form
    385,198.01/531,743.51 = 230,203.98/x
  3. Step 3: Cross multiply
    385,198.01x = 531,743.51 × 230,203.98
  4. Step 4: Simplify right side
    385,198.01x = 122,409,472,341.17
  5. Step 5: Solve for x
    x = 122,409,472,341.17/385,198.01
  6. Step 6: Final answer
    x = 317,783.24

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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.