Home / 282,493.10-423,631.22-120,284.37

Finding the Fourth Proportional to 282,493.10, 423,631.22 and 120,284.37

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Solution

The fourth proportional to 282,493.10, 423,631.22 and 120,284.37 is: 180,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,493.10 : 423,631.22 = 120,284.37 : x
  2. Step 2: Convert to fraction form
    282,493.10/423,631.22 = 120,284.37/x
  3. Step 3: Cross multiply
    282,493.10x = 423,631.22 × 120,284.37
  4. Step 4: Simplify right side
    282,493.10x = 50,956,213,808.61
  5. Step 5: Solve for x
    x = 50,956,213,808.61/282,493.10
  6. Step 6: Final answer
    x = 180,380.39

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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.