Home / 411,090.05-616,628.28-122,902.36

Finding the Fourth Proportional to 411,090.05, 616,628.28 and 122,902.36

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Solution

The fourth proportional to 411,090.05, 616,628.28 and 122,902.36 is: 184,351.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,090.05 : 616,628.28 = 122,902.36 : x
  2. Step 2: Convert to fraction form
    411,090.05/616,628.28 = 122,902.36/x
  3. Step 3: Cross multiply
    411,090.05x = 616,628.28 × 122,902.36
  4. Step 4: Simplify right side
    411,090.05x = 75,785,070,854.74
  5. Step 5: Solve for x
    x = 75,785,070,854.74/411,090.05
  6. Step 6: Final answer
    x = 184,351.51

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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.