Home / 338,890.64-507,981.24-114,173.42

Finding the Fourth Proportional to 338,890.64, 507,981.24 and 114,173.42

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Solution

The fourth proportional to 338,890.64, 507,981.24 and 114,173.42 is: 171,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,890.64 : 507,981.24 = 114,173.42 : x
  2. Step 2: Convert to fraction form
    338,890.64/507,981.24 = 114,173.42/x
  3. Step 3: Cross multiply
    338,890.64x = 507,981.24 × 114,173.42
  4. Step 4: Simplify right side
    338,890.64x = 57,997,952,926.73
  5. Step 5: Solve for x
    x = 57,997,952,926.73/338,890.64
  6. Step 6: Final answer
    x = 171,140.62

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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.