Home / 114,394.12-171,788-109,473.36

Finding the Fourth Proportional to 114,394.12, 171,788 and 109,473.36

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Solution

The fourth proportional to 114,394.12, 171,788 and 109,473.36 is: 164,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,394.12 : 171,788 = 109,473.36 : x
  2. Step 2: Convert to fraction form
    114,394.12/171,788 = 109,473.36/x
  3. Step 3: Cross multiply
    114,394.12x = 171,788 × 109,473.36
  4. Step 4: Simplify right side
    114,394.12x = 18,806,209,567.68
  5. Step 5: Solve for x
    x = 18,806,209,567.68/114,394.12
  6. Step 6: Final answer
    x = 164,398.39

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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.