Home / 317,939.32-438,767.04-174,704.50

Finding the Fourth Proportional to 317,939.32, 438,767.04 and 174,704.50

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Solution

The fourth proportional to 317,939.32, 438,767.04 and 174,704.50 is: 241,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,939.32 : 438,767.04 = 174,704.50 : x
  2. Step 2: Convert to fraction form
    317,939.32/438,767.04 = 174,704.50/x
  3. Step 3: Cross multiply
    317,939.32x = 438,767.04 × 174,704.50
  4. Step 4: Simplify right side
    317,939.32x = 76,654,576,339.68
  5. Step 5: Solve for x
    x = 76,654,576,339.68/317,939.32
  6. Step 6: Final answer
    x = 241,098.13

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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.