Home / 154,383.83-213,180.46-97,041.61

Finding the Fourth Proportional to 154,383.83, 213,180.46 and 97,041.61

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Solution

The fourth proportional to 154,383.83, 213,180.46 and 97,041.61 is: 133,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,383.83 : 213,180.46 = 97,041.61 : x
  2. Step 2: Convert to fraction form
    154,383.83/213,180.46 = 97,041.61/x
  3. Step 3: Cross multiply
    154,383.83x = 213,180.46 × 97,041.61
  4. Step 4: Simplify right side
    154,383.83x = 20,687,374,573.73
  5. Step 5: Solve for x
    x = 20,687,374,573.73/154,383.83
  6. Step 6: Final answer
    x = 133,999.62

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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.