Home / 355,489.32-490,575.24-194,345.04

Finding the Fourth Proportional to 355,489.32, 490,575.24 and 194,345.04

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Solution

The fourth proportional to 355,489.32, 490,575.24 and 194,345.04 is: 268,196.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,489.32 : 490,575.24 = 194,345.04 : x
  2. Step 2: Convert to fraction form
    355,489.32/490,575.24 = 194,345.04/x
  3. Step 3: Cross multiply
    355,489.32x = 490,575.24 × 194,345.04
  4. Step 4: Simplify right side
    355,489.32x = 95,340,864,640.81
  5. Step 5: Solve for x
    x = 95,340,864,640.81/355,489.32
  6. Step 6: Final answer
    x = 268,196.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.