Home / 181,966.97-272,999.59-55,603.76

Finding the Fourth Proportional to 181,966.97, 272,999.59 and 55,603.76

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Solution

The fourth proportional to 181,966.97, 272,999.59 and 55,603.76 is: 83,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,966.97 : 272,999.59 = 55,603.76 : x
  2. Step 2: Convert to fraction form
    181,966.97/272,999.59 = 55,603.76/x
  3. Step 3: Cross multiply
    181,966.97x = 272,999.59 × 55,603.76
  4. Step 4: Simplify right side
    181,966.97x = 15,179,802,178.45
  5. Step 5: Solve for x
    x = 15,179,802,178.45/181,966.97
  6. Step 6: Final answer
    x = 83,420.64

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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.