Home / 316,500.36-474,651.27-91,876.38

Finding the Fourth Proportional to 316,500.36, 474,651.27 and 91,876.38

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Solution

The fourth proportional to 316,500.36, 474,651.27 and 91,876.38 is: 137,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,500.36 : 474,651.27 = 91,876.38 : x
  2. Step 2: Convert to fraction form
    316,500.36/474,651.27 = 91,876.38/x
  3. Step 3: Cross multiply
    316,500.36x = 474,651.27 × 91,876.38
  4. Step 4: Simplify right side
    316,500.36x = 43,609,240,450.00
  5. Step 5: Solve for x
    x = 43,609,240,450.00/316,500.36
  6. Step 6: Final answer
    x = 137,785.75

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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.