Home / 171,454.20-257,181.30-104,969.40

Finding the Fourth Proportional to 171,454.20, 257,181.30 and 104,969.40

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Solution

The fourth proportional to 171,454.20, 257,181.30 and 104,969.40 is: 157,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,454.20 : 257,181.30 = 104,969.40 : x
  2. Step 2: Convert to fraction form
    171,454.20/257,181.30 = 104,969.40/x
  3. Step 3: Cross multiply
    171,454.20x = 257,181.30 × 104,969.40
  4. Step 4: Simplify right side
    171,454.20x = 26,996,166,752.22
  5. Step 5: Solve for x
    x = 26,996,166,752.22/171,454.20
  6. Step 6: Final answer
    x = 157,454.10

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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.