Home / 196,769.93-271,541.25-111,887

Finding the Fourth Proportional to 196,769.93, 271,541.25 and 111,887

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Solution

The fourth proportional to 196,769.93, 271,541.25 and 111,887 is: 154,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,769.93 : 271,541.25 = 111,887 : x
  2. Step 2: Convert to fraction form
    196,769.93/271,541.25 = 111,887/x
  3. Step 3: Cross multiply
    196,769.93x = 271,541.25 × 111,887
  4. Step 4: Simplify right side
    196,769.93x = 30,381,935,838.75
  5. Step 5: Solve for x
    x = 30,381,935,838.75/196,769.93
  6. Step 6: Final answer
    x = 154,403.35

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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.