Home / 219,453.41-302,870.36-123,966.26

Finding the Fourth Proportional to 219,453.41, 302,870.36 and 123,966.26

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Solution

The fourth proportional to 219,453.41, 302,870.36 and 123,966.26 is: 171,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,453.41 : 302,870.36 = 123,966.26 : x
  2. Step 2: Convert to fraction form
    219,453.41/302,870.36 = 123,966.26/x
  3. Step 3: Cross multiply
    219,453.41x = 302,870.36 × 123,966.26
  4. Step 4: Simplify right side
    219,453.41x = 37,545,703,659.87
  5. Step 5: Solve for x
    x = 37,545,703,659.87/219,453.41
  6. Step 6: Final answer
    x = 171,087.36

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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.