Home / 196,854.28-271,658.83-107,430.28

Finding the Fourth Proportional to 196,854.28, 271,658.83 and 107,430.28

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Solution

The fourth proportional to 196,854.28, 271,658.83 and 107,430.28 is: 148,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,854.28 : 271,658.83 = 107,430.28 : x
  2. Step 2: Convert to fraction form
    196,854.28/271,658.83 = 107,430.28/x
  3. Step 3: Cross multiply
    196,854.28x = 271,658.83 × 107,430.28
  4. Step 4: Simplify right side
    196,854.28x = 29,184,384,171.37
  5. Step 5: Solve for x
    x = 29,184,384,171.37/196,854.28
  6. Step 6: Final answer
    x = 148,253.74

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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.