Home / 450,947.14-676,404.31-135,395.85

Finding the Fourth Proportional to 450,947.14, 676,404.31 and 135,395.85

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Solution

The fourth proportional to 450,947.14, 676,404.31 and 135,395.85 is: 203,088.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,947.14 : 676,404.31 = 135,395.85 : x
  2. Step 2: Convert to fraction form
    450,947.14/676,404.31 = 135,395.85/x
  3. Step 3: Cross multiply
    450,947.14x = 676,404.31 × 135,395.85
  4. Step 4: Simplify right side
    450,947.14x = 91,582,336,496.11
  5. Step 5: Solve for x
    x = 91,582,336,496.11/450,947.14
  6. Step 6: Final answer
    x = 203,088.85

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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.