Home / 358,185.08-537,071.55-214,234.68

Finding the Fourth Proportional to 358,185.08, 537,071.55 and 214,234.68

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Solution

The fourth proportional to 358,185.08, 537,071.55 and 214,234.68 is: 321,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,185.08 : 537,071.55 = 214,234.68 : x
  2. Step 2: Convert to fraction form
    358,185.08/537,071.55 = 214,234.68/x
  3. Step 3: Cross multiply
    358,185.08x = 537,071.55 × 214,234.68
  4. Step 4: Simplify right side
    358,185.08x = 115,059,351,651.35
  5. Step 5: Solve for x
    x = 115,059,351,651.35/358,185.08
  6. Step 6: Final answer
    x = 321,228.77

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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.