Home / 168,669.47-252,999.85-54,816.64

Finding the Fourth Proportional to 168,669.47, 252,999.85 and 54,816.64

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Solution

The fourth proportional to 168,669.47, 252,999.85 and 54,816.64 is: 82,223.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,669.47 : 252,999.85 = 54,816.64 : x
  2. Step 2: Convert to fraction form
    168,669.47/252,999.85 = 54,816.64/x
  3. Step 3: Cross multiply
    168,669.47x = 252,999.85 × 54,816.64
  4. Step 4: Simplify right side
    168,669.47x = 13,868,602,237.43
  5. Step 5: Solve for x
    x = 13,868,602,237.43/168,669.47
  6. Step 6: Final answer
    x = 82,223.55

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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.