Home / 118,072.17-177,132.96-65,371.14

Finding the Fourth Proportional to 118,072.17, 177,132.96 and 65,371.14

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Solution

The fourth proportional to 118,072.17, 177,132.96 and 65,371.14 is: 98,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,072.17 : 177,132.96 = 65,371.14 : x
  2. Step 2: Convert to fraction form
    118,072.17/177,132.96 = 65,371.14/x
  3. Step 3: Cross multiply
    118,072.17x = 177,132.96 × 65,371.14
  4. Step 4: Simplify right side
    118,072.17x = 11,579,383,526.77
  5. Step 5: Solve for x
    x = 11,579,383,526.77/118,072.17
  6. Step 6: Final answer
    x = 98,070.39

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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.