Home / 257,093.24-385,403.67-88,573.50

Finding the Fourth Proportional to 257,093.24, 385,403.67 and 88,573.50

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Solution

The fourth proportional to 257,093.24, 385,403.67 and 88,573.50 is: 132,778.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,093.24 : 385,403.67 = 88,573.50 : x
  2. Step 2: Convert to fraction form
    257,093.24/385,403.67 = 88,573.50/x
  3. Step 3: Cross multiply
    257,093.24x = 385,403.67 × 88,573.50
  4. Step 4: Simplify right side
    257,093.24x = 34,136,551,964.75
  5. Step 5: Solve for x
    x = 34,136,551,964.75/257,093.24
  6. Step 6: Final answer
    x = 132,778.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.