Home / 171,946.59-257,971.14-82,056.79

Finding the Fourth Proportional to 171,946.59, 257,971.14 and 82,056.79

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Solution

The fourth proportional to 171,946.59, 257,971.14 and 82,056.79 is: 123,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,946.59 : 257,971.14 = 82,056.79 : x
  2. Step 2: Convert to fraction form
    171,946.59/257,971.14 = 82,056.79/x
  3. Step 3: Cross multiply
    171,946.59x = 257,971.14 × 82,056.79
  4. Step 4: Simplify right side
    171,946.59x = 21,168,283,016.11
  5. Step 5: Solve for x
    x = 21,168,283,016.11/171,946.59
  6. Step 6: Final answer
    x = 123,109.64

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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.