Home / 119,230.32-178,826.34-30,479.10

Finding the Fourth Proportional to 119,230.32, 178,826.34 and 30,479.10

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Solution

The fourth proportional to 119,230.32, 178,826.34 and 30,479.10 is: 45,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,230.32 : 178,826.34 = 30,479.10 : x
  2. Step 2: Convert to fraction form
    119,230.32/178,826.34 = 30,479.10/x
  3. Step 3: Cross multiply
    119,230.32x = 178,826.34 × 30,479.10
  4. Step 4: Simplify right side
    119,230.32x = 5,450,465,899.49
  5. Step 5: Solve for x
    x = 5,450,465,899.49/119,230.32
  6. Step 6: Final answer
    x = 45,713.76

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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.