Home / 135,028.36-186,076.02-97,231.24

Finding the Fourth Proportional to 135,028.36, 186,076.02 and 97,231.24

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Solution

The fourth proportional to 135,028.36, 186,076.02 and 97,231.24 is: 133,989.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,028.36 : 186,076.02 = 97,231.24 : x
  2. Step 2: Convert to fraction form
    135,028.36/186,076.02 = 97,231.24/x
  3. Step 3: Cross multiply
    135,028.36x = 186,076.02 × 97,231.24
  4. Step 4: Simplify right side
    135,028.36x = 18,092,402,158.86
  5. Step 5: Solve for x
    x = 18,092,402,158.86/135,028.36
  6. Step 6: Final answer
    x = 133,989.65

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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.