Home / 127,946.86-176,660.49-82,651.30

Finding the Fourth Proportional to 127,946.86, 176,660.49 and 82,651.30

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Solution

The fourth proportional to 127,946.86, 176,660.49 and 82,651.30 is: 114,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.86 : 176,660.49 = 82,651.30 : x
  2. Step 2: Convert to fraction form
    127,946.86/176,660.49 = 82,651.30/x
  3. Step 3: Cross multiply
    127,946.86x = 176,660.49 × 82,651.30
  4. Step 4: Simplify right side
    127,946.86x = 14,601,219,157.14
  5. Step 5: Solve for x
    x = 14,601,219,157.14/127,946.86
  6. Step 6: Final answer
    x = 114,119.40

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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.