Home / 130,577.72-180,146.38-96,667.37

Finding the Fourth Proportional to 130,577.72, 180,146.38 and 96,667.37

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Solution

The fourth proportional to 130,577.72, 180,146.38 and 96,667.37 is: 133,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,577.72 : 180,146.38 = 96,667.37 : x
  2. Step 2: Convert to fraction form
    130,577.72/180,146.38 = 96,667.37/x
  3. Step 3: Cross multiply
    130,577.72x = 180,146.38 × 96,667.37
  4. Step 4: Simplify right side
    130,577.72x = 17,414,277,497.34
  5. Step 5: Solve for x
    x = 17,414,277,497.34/130,577.72
  6. Step 6: Final answer
    x = 133,363.31

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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.