Home / 130,796.17-180,553.56-88,412.11

Finding the Fourth Proportional to 130,796.17, 180,553.56 and 88,412.11

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Solution

The fourth proportional to 130,796.17, 180,553.56 and 88,412.11 is: 122,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,796.17 : 180,553.56 = 88,412.11 : x
  2. Step 2: Convert to fraction form
    130,796.17/180,553.56 = 88,412.11/x
  3. Step 3: Cross multiply
    130,796.17x = 180,553.56 × 88,412.11
  4. Step 4: Simplify right side
    130,796.17x = 15,963,120,424.68
  5. Step 5: Solve for x
    x = 15,963,120,424.68/130,796.17
  6. Step 6: Final answer
    x = 122,045.78

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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.