Home / 171,018.20-256,527.30-46,359.20

Finding the Fourth Proportional to 171,018.20, 256,527.30 and 46,359.20

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Solution

The fourth proportional to 171,018.20, 256,527.30 and 46,359.20 is: 69,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,018.20 : 256,527.30 = 46,359.20 : x
  2. Step 2: Convert to fraction form
    171,018.20/256,527.30 = 46,359.20/x
  3. Step 3: Cross multiply
    171,018.20x = 256,527.30 × 46,359.20
  4. Step 4: Simplify right side
    171,018.20x = 11,892,400,406.16
  5. Step 5: Solve for x
    x = 11,892,400,406.16/171,018.20
  6. Step 6: Final answer
    x = 69,538.80

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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.