Home / 338,318.73-507,486.33-113,682.42

Finding the Fourth Proportional to 338,318.73, 507,486.33 and 113,682.42

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Solution

The fourth proportional to 338,318.73, 507,486.33 and 113,682.42 is: 170,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,318.73 : 507,486.33 = 113,682.42 : x
  2. Step 2: Convert to fraction form
    338,318.73/507,486.33 = 113,682.42/x
  3. Step 3: Cross multiply
    338,318.73x = 507,486.33 × 113,682.42
  4. Step 4: Simplify right side
    338,318.73x = 57,692,274,111.32
  5. Step 5: Solve for x
    x = 57,692,274,111.32/338,318.73
  6. Step 6: Final answer
    x = 170,526.40

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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.