Home / 479,173.12-718,828.48-159,216.16

Finding the Fourth Proportional to 479,173.12, 718,828.48 and 159,216.16

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Solution

The fourth proportional to 479,173.12, 718,828.48 and 159,216.16 is: 238,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,173.12 : 718,828.48 = 159,216.16 : x
  2. Step 2: Convert to fraction form
    479,173.12/718,828.48 = 159,216.16/x
  3. Step 3: Cross multiply
    479,173.12x = 718,828.48 × 159,216.16
  4. Step 4: Simplify right side
    479,173.12x = 114,449,110,284.24
  5. Step 5: Solve for x
    x = 114,449,110,284.24/479,173.12
  6. Step 6: Final answer
    x = 238,847.10

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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.