Home / 131,349.12-197,053.12-52,500.48

Finding the Fourth Proportional to 131,349.12, 197,053.12 and 52,500.48

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Solution

The fourth proportional to 131,349.12, 197,053.12 and 52,500.48 is: 78,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,349.12 : 197,053.12 = 52,500.48 : x
  2. Step 2: Convert to fraction form
    131,349.12/197,053.12 = 52,500.48/x
  3. Step 3: Cross multiply
    131,349.12x = 197,053.12 × 52,500.48
  4. Step 4: Simplify right side
    131,349.12x = 10,345,383,385.50
  5. Step 5: Solve for x
    x = 10,345,383,385.50/131,349.12
  6. Step 6: Final answer
    x = 78,762.49

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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.