Home / 150,684.12-207,951.64-82,700.52

Finding the Fourth Proportional to 150,684.12, 207,951.64 and 82,700.52

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Solution

The fourth proportional to 150,684.12, 207,951.64 and 82,700.52 is: 114,130.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,684.12 : 207,951.64 = 82,700.52 : x
  2. Step 2: Convert to fraction form
    150,684.12/207,951.64 = 82,700.52/x
  3. Step 3: Cross multiply
    150,684.12x = 207,951.64 × 82,700.52
  4. Step 4: Simplify right side
    150,684.12x = 17,197,708,762.85
  5. Step 5: Solve for x
    x = 17,197,708,762.85/150,684.12
  6. Step 6: Final answer
    x = 114,130.86

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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.