Home / 114,288.28-171,459.60-47,691.40

Finding the Fourth Proportional to 114,288.28, 171,459.60 and 47,691.40

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Solution

The fourth proportional to 114,288.28, 171,459.60 and 47,691.40 is: 71,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,288.28 : 171,459.60 = 47,691.40 : x
  2. Step 2: Convert to fraction form
    114,288.28/171,459.60 = 47,691.40/x
  3. Step 3: Cross multiply
    114,288.28x = 171,459.60 × 47,691.40
  4. Step 4: Simplify right side
    114,288.28x = 8,177,148,367.44
  5. Step 5: Solve for x
    x = 8,177,148,367.44/114,288.28
  6. Step 6: Final answer
    x = 71,548.44

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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.