Home / 119,172.21-178,758.62-29,215.32

Finding the Fourth Proportional to 119,172.21, 178,758.62 and 29,215.32

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Solution

The fourth proportional to 119,172.21, 178,758.62 and 29,215.32 is: 43,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,172.21 : 178,758.62 = 29,215.32 : x
  2. Step 2: Convert to fraction form
    119,172.21/178,758.62 = 29,215.32/x
  3. Step 3: Cross multiply
    119,172.21x = 178,758.62 × 29,215.32
  4. Step 4: Simplify right side
    119,172.21x = 5,222,490,139.98
  5. Step 5: Solve for x
    x = 5,222,490,139.98/119,172.21
  6. Step 6: Final answer
    x = 43,823.05

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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.