Home / 316,112.14-474,169.29-79,453.36

Finding the Fourth Proportional to 316,112.14, 474,169.29 and 79,453.36

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Solution

The fourth proportional to 316,112.14, 474,169.29 and 79,453.36 is: 119,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,112.14 : 474,169.29 = 79,453.36 : x
  2. Step 2: Convert to fraction form
    316,112.14/474,169.29 = 79,453.36/x
  3. Step 3: Cross multiply
    316,112.14x = 474,169.29 × 79,453.36
  4. Step 4: Simplify right side
    316,112.14x = 37,674,343,299.31
  5. Step 5: Solve for x
    x = 37,674,343,299.31/316,112.14
  6. Step 6: Final answer
    x = 119,180.31

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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.