Home / 240,586.90-331,878.99-154,559.44

Finding the Fourth Proportional to 240,586.90, 331,878.99 and 154,559.44

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Solution

The fourth proportional to 240,586.90, 331,878.99 and 154,559.44 is: 213,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,586.90 : 331,878.99 = 154,559.44 : x
  2. Step 2: Convert to fraction form
    240,586.90/331,878.99 = 154,559.44/x
  3. Step 3: Cross multiply
    240,586.90x = 331,878.99 × 154,559.44
  4. Step 4: Simplify right side
    240,586.90x = 51,295,030,842.17
  5. Step 5: Solve for x
    x = 51,295,030,842.17/240,586.90
  6. Step 6: Final answer
    x = 213,207.91

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1.5x scale

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.