Home / 185,553.20-278,329.80-141,266.45

Finding the Fourth Proportional to 185,553.20, 278,329.80 and 141,266.45

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Solution

The fourth proportional to 185,553.20, 278,329.80 and 141,266.45 is: 211,899.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,553.20 : 278,329.80 = 141,266.45 : x
  2. Step 2: Convert to fraction form
    185,553.20/278,329.80 = 141,266.45/x
  3. Step 3: Cross multiply
    185,553.20x = 278,329.80 × 141,266.45
  4. Step 4: Simplify right side
    185,553.20x = 39,318,662,775.21
  5. Step 5: Solve for x
    x = 39,318,662,775.21/185,553.20
  6. Step 6: Final answer
    x = 211,899.68

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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.