Home / 479,187.11-718,704.47-159,312.39

Finding the Fourth Proportional to 479,187.11, 718,704.47 and 159,312.39

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Solution

The fourth proportional to 479,187.11, 718,704.47 and 159,312.39 is: 238,943.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,187.11 : 718,704.47 = 159,312.39 : x
  2. Step 2: Convert to fraction form
    479,187.11/718,704.47 = 159,312.39/x
  3. Step 3: Cross multiply
    479,187.11x = 718,704.47 × 159,312.39
  4. Step 4: Simplify right side
    479,187.11x = 114,498,526,022.82
  5. Step 5: Solve for x
    x = 114,498,526,022.82/479,187.11
  6. Step 6: Final answer
    x = 238,943.25

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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.