Home / 128,882.48-193,094.96-53,837.46

Finding the Fourth Proportional to 128,882.48, 193,094.96 and 53,837.46

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Solution

The fourth proportional to 128,882.48, 193,094.96 and 53,837.46 is: 80,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,882.48 : 193,094.96 = 53,837.46 : x
  2. Step 2: Convert to fraction form
    128,882.48/193,094.96 = 53,837.46/x
  3. Step 3: Cross multiply
    128,882.48x = 193,094.96 × 53,837.46
  4. Step 4: Simplify right side
    128,882.48x = 10,395,741,916.01
  5. Step 5: Solve for x
    x = 10,395,741,916.01/128,882.48
  6. Step 6: Final answer
    x = 80,660.63

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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.