Home / 119,311.35-178,962.92-30,565.74

Finding the Fourth Proportional to 119,311.35, 178,962.92 and 30,565.74

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Solution

The fourth proportional to 119,311.35, 178,962.92 and 30,565.74 is: 45,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,311.35 : 178,962.92 = 30,565.74 : x
  2. Step 2: Convert to fraction form
    119,311.35/178,962.92 = 30,565.74/x
  3. Step 3: Cross multiply
    119,311.35x = 178,962.92 × 30,565.74
  4. Step 4: Simplify right side
    119,311.35x = 5,470,133,929.53
  5. Step 5: Solve for x
    x = 5,470,133,929.53/119,311.35
  6. Step 6: Final answer
    x = 45,847.56

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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.