Home / 316,948.72-475,399.14-117,175.72

Finding the Fourth Proportional to 316,948.72, 475,399.14 and 117,175.72

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Solution

The fourth proportional to 316,948.72, 475,399.14 and 117,175.72 is: 175,754.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,948.72 : 475,399.14 = 117,175.72 : x
  2. Step 2: Convert to fraction form
    316,948.72/475,399.14 = 117,175.72/x
  3. Step 3: Cross multiply
    316,948.72x = 475,399.14 × 117,175.72
  4. Step 4: Simplify right side
    316,948.72x = 55,705,236,516.88
  5. Step 5: Solve for x
    x = 55,705,236,516.88/316,948.72
  6. Step 6: Final answer
    x = 175,754.73

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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.