Home / 316,111.14-474,167.79-79,452.36

Finding the Fourth Proportional to 316,111.14, 474,167.79 and 79,452.36

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Solution

The fourth proportional to 316,111.14, 474,167.79 and 79,452.36 is: 119,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,111.14 : 474,167.79 = 79,452.36 : x
  2. Step 2: Convert to fraction form
    316,111.14/474,167.79 = 79,452.36/x
  3. Step 3: Cross multiply
    316,111.14x = 474,167.79 × 79,452.36
  4. Step 4: Simplify right side
    316,111.14x = 37,673,749,951.48
  5. Step 5: Solve for x
    x = 37,673,749,951.48/316,111.14
  6. Step 6: Final answer
    x = 119,178.81

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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.