Home / 218,352.07-301,331.74-122,862.16

Finding the Fourth Proportional to 218,352.07, 301,331.74 and 122,862.16

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Solution

The fourth proportional to 218,352.07, 301,331.74 and 122,862.16 is: 169,553.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,352.07 : 301,331.74 = 122,862.16 : x
  2. Step 2: Convert to fraction form
    218,352.07/301,331.74 = 122,862.16/x
  3. Step 3: Cross multiply
    218,352.07x = 301,331.74 × 122,862.16
  4. Step 4: Simplify right side
    218,352.07x = 37,022,266,946.30
  5. Step 5: Solve for x
    x = 37,022,266,946.30/218,352.07
  6. Step 6: Final answer
    x = 169,553.09

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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.