Home / 385,024.56-577,635.24-148,303.68

Finding the Fourth Proportional to 385,024.56, 577,635.24 and 148,303.68

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Solution

The fourth proportional to 385,024.56, 577,635.24 and 148,303.68 is: 222,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,024.56 : 577,635.24 = 148,303.68 : x
  2. Step 2: Convert to fraction form
    385,024.56/577,635.24 = 148,303.68/x
  3. Step 3: Cross multiply
    385,024.56x = 577,635.24 × 148,303.68
  4. Step 4: Simplify right side
    385,024.56x = 85,665,431,789.68
  5. Step 5: Solve for x
    x = 85,665,431,789.68/385,024.56
  6. Step 6: Final answer
    x = 222,493.42

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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.