Home / 338,893.49-507,985.54-114,176.30

Finding the Fourth Proportional to 338,893.49, 507,985.54 and 114,176.30

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Solution

The fourth proportional to 338,893.49, 507,985.54 and 114,176.30 is: 171,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,893.49 : 507,985.54 = 114,176.30 : x
  2. Step 2: Convert to fraction form
    338,893.49/507,985.54 = 114,176.30/x
  3. Step 3: Cross multiply
    338,893.49x = 507,985.54 × 114,176.30
  4. Step 4: Simplify right side
    338,893.49x = 57,999,906,585.33
  5. Step 5: Solve for x
    x = 57,999,906,585.33/338,893.49
  6. Step 6: Final answer
    x = 171,144.94

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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.