Home / 121,270.41-166,141.23-116,725.08

Finding the Fourth Proportional to 121,270.41, 166,141.23 and 116,725.08

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Solution

The fourth proportional to 121,270.41, 166,141.23 and 116,725.08 is: 159,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,270.41 : 166,141.23 = 116,725.08 : x
  2. Step 2: Convert to fraction form
    121,270.41/166,141.23 = 116,725.08/x
  3. Step 3: Cross multiply
    121,270.41x = 166,141.23 × 116,725.08
  4. Step 4: Simplify right side
    121,270.41x = 19,392,848,363.05
  5. Step 5: Solve for x
    x = 19,392,848,363.05/121,270.41
  6. Step 6: Final answer
    x = 159,914.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.