Home / 130,905.92-196,370.16-36,136.12

Finding the Fourth Proportional to 130,905.92, 196,370.16 and 36,136.12

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Solution

The fourth proportional to 130,905.92, 196,370.16 and 36,136.12 is: 54,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.92 : 196,370.16 = 36,136.12 : x
  2. Step 2: Convert to fraction form
    130,905.92/196,370.16 = 36,136.12/x
  3. Step 3: Cross multiply
    130,905.92x = 196,370.16 × 36,136.12
  4. Step 4: Simplify right side
    130,905.92x = 7,096,055,666.18
  5. Step 5: Solve for x
    x = 7,096,055,666.18/130,905.92
  6. Step 6: Final answer
    x = 54,207.29

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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.