Home / 131,178.08-196,775.76-37,684.64

Finding the Fourth Proportional to 131,178.08, 196,775.76 and 37,684.64

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Solution

The fourth proportional to 131,178.08, 196,775.76 and 37,684.64 is: 56,529.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,178.08 : 196,775.76 = 37,684.64 : x
  2. Step 2: Convert to fraction form
    131,178.08/196,775.76 = 37,684.64/x
  3. Step 3: Cross multiply
    131,178.08x = 196,775.76 × 37,684.64
  4. Step 4: Simplify right side
    131,178.08x = 7,415,423,676.33
  5. Step 5: Solve for x
    x = 7,415,423,676.33/131,178.08
  6. Step 6: Final answer
    x = 56,529.44

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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.