Home / 287,826.11-397,271.23-196,097.19

Finding the Fourth Proportional to 287,826.11, 397,271.23 and 196,097.19

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Solution

The fourth proportional to 287,826.11, 397,271.23 and 196,097.19 is: 270,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,826.11 : 397,271.23 = 196,097.19 : x
  2. Step 2: Convert to fraction form
    287,826.11/397,271.23 = 196,097.19/x
  3. Step 3: Cross multiply
    287,826.11x = 397,271.23 × 196,097.19
  4. Step 4: Simplify right side
    287,826.11x = 77,903,771,380.60
  5. Step 5: Solve for x
    x = 77,903,771,380.60/287,826.11
  6. Step 6: Final answer
    x = 270,662.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.