Home / 171,314.10-257,007.60-52,997.40

Finding the Fourth Proportional to 171,314.10, 257,007.60 and 52,997.40

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Solution

The fourth proportional to 171,314.10, 257,007.60 and 52,997.40 is: 79,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,314.10 : 257,007.60 = 52,997.40 : x
  2. Step 2: Convert to fraction form
    171,314.10/257,007.60 = 52,997.40/x
  3. Step 3: Cross multiply
    171,314.10x = 257,007.60 × 52,997.40
  4. Step 4: Simplify right side
    171,314.10x = 13,620,734,580.24
  5. Step 5: Solve for x
    x = 13,620,734,580.24/171,314.10
  6. Step 6: Final answer
    x = 79,507.38

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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.