Home / 130,905.24-196,353.95-36,141.21

Finding the Fourth Proportional to 130,905.24, 196,353.95 and 36,141.21

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Solution

The fourth proportional to 130,905.24, 196,353.95 and 36,141.21 is: 54,210.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.24 : 196,353.95 = 36,141.21 : x
  2. Step 2: Convert to fraction form
    130,905.24/196,353.95 = 36,141.21/x
  3. Step 3: Cross multiply
    130,905.24x = 196,353.95 × 36,141.21
  4. Step 4: Simplify right side
    130,905.24x = 7,096,468,178.80
  5. Step 5: Solve for x
    x = 7,096,468,178.80/130,905.24
  6. Step 6: Final answer
    x = 54,210.73

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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.