Home / 131,243.52-196,852.80-52,336.64

Finding the Fourth Proportional to 131,243.52, 196,852.80 and 52,336.64

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Solution

The fourth proportional to 131,243.52, 196,852.80 and 52,336.64 is: 78,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,243.52 : 196,852.80 = 52,336.64 : x
  2. Step 2: Convert to fraction form
    131,243.52/196,852.80 = 52,336.64/x
  3. Step 3: Cross multiply
    131,243.52x = 196,852.80 × 52,336.64
  4. Step 4: Simplify right side
    131,243.52x = 10,302,614,126.59
  5. Step 5: Solve for x
    x = 10,302,614,126.59/131,243.52
  6. Step 6: Final answer
    x = 78,499.98

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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.