Home / 171,004.20-256,506.30-46,345.20

Finding the Fourth Proportional to 171,004.20, 256,506.30 and 46,345.20

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Solution

The fourth proportional to 171,004.20, 256,506.30 and 46,345.20 is: 69,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,004.20 : 256,506.30 = 46,345.20 : x
  2. Step 2: Convert to fraction form
    171,004.20/256,506.30 = 46,345.20/x
  3. Step 3: Cross multiply
    171,004.20x = 256,506.30 × 46,345.20
  4. Step 4: Simplify right side
    171,004.20x = 11,887,835,774.76
  5. Step 5: Solve for x
    x = 11,887,835,774.76/171,004.20
  6. Step 6: Final answer
    x = 69,517.80

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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.