Home / 180,983.72-249,732.44-120,593.36

Finding the Fourth Proportional to 180,983.72, 249,732.44 and 120,593.36

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Solution

The fourth proportional to 180,983.72, 249,732.44 and 120,593.36 is: 166,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,983.72 : 249,732.44 = 120,593.36 : x
  2. Step 2: Convert to fraction form
    180,983.72/249,732.44 = 120,593.36/x
  3. Step 3: Cross multiply
    180,983.72x = 249,732.44 × 120,593.36
  4. Step 4: Simplify right side
    180,983.72x = 30,116,072,188.97
  5. Step 5: Solve for x
    x = 30,116,072,188.97/180,983.72
  6. Step 6: Final answer
    x = 166,402.11

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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.