Home / 154,904.98-213,905.19-96,861.19

Finding the Fourth Proportional to 154,904.98, 213,905.19 and 96,861.19

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Solution

The fourth proportional to 154,904.98, 213,905.19 and 96,861.19 is: 133,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,904.98 : 213,905.19 = 96,861.19 : x
  2. Step 2: Convert to fraction form
    154,904.98/213,905.19 = 96,861.19/x
  3. Step 3: Cross multiply
    154,904.98x = 213,905.19 × 96,861.19
  4. Step 4: Simplify right side
    154,904.98x = 20,719,111,250.58
  5. Step 5: Solve for x
    x = 20,719,111,250.58/154,904.98
  6. Step 6: Final answer
    x = 133,753.68

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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.