Home / 130,818.11-196,200.09-59,720.90

Finding the Fourth Proportional to 130,818.11, 196,200.09 and 59,720.90

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Solution

The fourth proportional to 130,818.11, 196,200.09 and 59,720.90 is: 89,568.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,818.11 : 196,200.09 = 59,720.90 : x
  2. Step 2: Convert to fraction form
    130,818.11/196,200.09 = 59,720.90/x
  3. Step 3: Cross multiply
    130,818.11x = 196,200.09 × 59,720.90
  4. Step 4: Simplify right side
    130,818.11x = 11,717,244,973.88
  5. Step 5: Solve for x
    x = 11,717,244,973.88/130,818.11
  6. Step 6: Final answer
    x = 89,568.99

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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.