Home / 316,311.71-474,467.15-103,079.27

Finding the Fourth Proportional to 316,311.71, 474,467.15 and 103,079.27

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Solution

The fourth proportional to 316,311.71, 474,467.15 and 103,079.27 is: 154,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,311.71 : 474,467.15 = 103,079.27 : x
  2. Step 2: Convert to fraction form
    316,311.71/474,467.15 = 103,079.27/x
  3. Step 3: Cross multiply
    316,311.71x = 474,467.15 × 103,079.27
  4. Step 4: Simplify right side
    316,311.71x = 48,907,724,573.25
  5. Step 5: Solve for x
    x = 48,907,724,573.25/316,311.71
  6. Step 6: Final answer
    x = 154,618.76

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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.