Home / 240,585.90-331,877.61-154,558.44

Finding the Fourth Proportional to 240,585.90, 331,877.61 and 154,558.44

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Solution

The fourth proportional to 240,585.90, 331,877.61 and 154,558.44 is: 213,206.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,585.90 : 331,877.61 = 154,558.44 : x
  2. Step 2: Convert to fraction form
    240,585.90/331,877.61 = 154,558.44/x
  3. Step 3: Cross multiply
    240,585.90x = 331,877.61 × 154,558.44
  4. Step 4: Simplify right side
    240,585.90x = 51,294,485,672.53
  5. Step 5: Solve for x
    x = 51,294,485,672.53/240,585.90
  6. Step 6: Final answer
    x = 213,206.53

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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.