Home / 181,966.57-251,119.14-105,485.97

Finding the Fourth Proportional to 181,966.57, 251,119.14 and 105,485.97

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Solution

The fourth proportional to 181,966.57, 251,119.14 and 105,485.97 is: 145,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,966.57 : 251,119.14 = 105,485.97 : x
  2. Step 2: Convert to fraction form
    181,966.57/251,119.14 = 105,485.97/x
  3. Step 3: Cross multiply
    181,966.57x = 251,119.14 × 105,485.97
  4. Step 4: Simplify right side
    181,966.57x = 26,489,546,068.47
  5. Step 5: Solve for x
    x = 26,489,546,068.47/181,966.57
  6. Step 6: Final answer
    x = 145,573.70

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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.