Home / 130,905.72-196,200.09-59,731.02

Finding the Fourth Proportional to 130,905.72, 196,200.09 and 59,731.02

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Solution

The fourth proportional to 130,905.72, 196,200.09 and 59,731.02 is: 89,524.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,905.72 : 196,200.09 = 59,731.02 : x
  2. Step 2: Convert to fraction form
    130,905.72/196,200.09 = 59,731.02/x
  3. Step 3: Cross multiply
    130,905.72x = 196,200.09 × 59,731.02
  4. Step 4: Simplify right side
    130,905.72x = 11,719,231,499.79
  5. Step 5: Solve for x
    x = 11,719,231,499.79/130,905.72
  6. Step 6: Final answer
    x = 89,524.21

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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.