Home / 130,907.20-196,356.87-36,143.16

Finding the Fourth Proportional to 130,907.20, 196,356.87 and 36,143.16

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Solution

The fourth proportional to 130,907.20, 196,356.87 and 36,143.16 is: 54,213.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,907.20 : 196,356.87 = 36,143.16 : x
  2. Step 2: Convert to fraction form
    130,907.20/196,356.87 = 36,143.16/x
  3. Step 3: Cross multiply
    130,907.20x = 196,356.87 × 36,143.16
  4. Step 4: Simplify right side
    130,907.20x = 7,096,957,769.51
  5. Step 5: Solve for x
    x = 7,096,957,769.51/130,907.20
  6. Step 6: Final answer
    x = 54,213.65

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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.