Home / 130,043.20-195,072.32-36,556.16

Finding the Fourth Proportional to 130,043.20, 195,072.32 and 36,556.16

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Solution

The fourth proportional to 130,043.20, 195,072.32 and 36,556.16 is: 54,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,043.20 : 195,072.32 = 36,556.16 : x
  2. Step 2: Convert to fraction form
    130,043.20/195,072.32 = 36,556.16/x
  3. Step 3: Cross multiply
    130,043.20x = 195,072.32 × 36,556.16
  4. Step 4: Simplify right side
    130,043.20x = 7,131,094,941.49
  5. Step 5: Solve for x
    x = 7,131,094,941.49/130,043.20
  6. Step 6: Final answer
    x = 54,836.35

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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.