Home / 131,129.04-196,830.18-116,230.80

Finding the Fourth Proportional to 131,129.04, 196,830.18 and 116,230.80

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Solution

The fourth proportional to 131,129.04, 196,830.18 and 116,230.80 is: 174,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,129.04 : 196,830.18 = 116,230.80 : x
  2. Step 2: Convert to fraction form
    131,129.04/196,830.18 = 116,230.80/x
  3. Step 3: Cross multiply
    131,129.04x = 196,830.18 × 116,230.80
  4. Step 4: Simplify right side
    131,129.04x = 22,877,729,285.54
  5. Step 5: Solve for x
    x = 22,877,729,285.54/131,129.04
  6. Step 6: Final answer
    x = 174,467.30

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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.