Home / 410,828.05-616,207.40-140,934.03

Finding the Fourth Proportional to 410,828.05, 616,207.40 and 140,934.03

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Solution

The fourth proportional to 410,828.05, 616,207.40 and 140,934.03 is: 211,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,828.05 : 616,207.40 = 140,934.03 : x
  2. Step 2: Convert to fraction form
    410,828.05/616,207.40 = 140,934.03/x
  3. Step 3: Cross multiply
    410,828.05x = 616,207.40 × 140,934.03
  4. Step 4: Simplify right side
    410,828.05x = 86,844,589,710.88
  5. Step 5: Solve for x
    x = 86,844,589,710.88/410,828.05
  6. Step 6: Final answer
    x = 211,389.14

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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.