Home / 338,558.56-507,678.67-125,179.04

Finding the Fourth Proportional to 338,558.56, 507,678.67 and 125,179.04

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Solution

The fourth proportional to 338,558.56, 507,678.67 and 125,179.04 is: 187,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,558.56 : 507,678.67 = 125,179.04 : x
  2. Step 2: Convert to fraction form
    338,558.56/507,678.67 = 125,179.04/x
  3. Step 3: Cross multiply
    338,558.56x = 507,678.67 × 125,179.04
  4. Step 4: Simplify right side
    338,558.56x = 63,550,727,913.18
  5. Step 5: Solve for x
    x = 63,550,727,913.18/338,558.56
  6. Step 6: Final answer
    x = 187,709.71

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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.