Home / 338,326.85-507,331.35-196,212.53

Finding the Fourth Proportional to 338,326.85, 507,331.35 and 196,212.53

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Solution

The fourth proportional to 338,326.85, 507,331.35 and 196,212.53 is: 294,226.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,326.85 : 507,331.35 = 196,212.53 : x
  2. Step 2: Convert to fraction form
    338,326.85/507,331.35 = 196,212.53/x
  3. Step 3: Cross multiply
    338,326.85x = 507,331.35 × 196,212.53
  4. Step 4: Simplify right side
    338,326.85x = 99,544,767,731.82
  5. Step 5: Solve for x
    x = 99,544,767,731.82/338,326.85
  6. Step 6: Final answer
    x = 294,226.63

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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.