Home / 130,991.16-196,252.02-79,606.44

Finding the Fourth Proportional to 130,991.16, 196,252.02 and 79,606.44

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Solution

The fourth proportional to 130,991.16, 196,252.02 and 79,606.44 is: 119,267.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,991.16 : 196,252.02 = 79,606.44 : x
  2. Step 2: Convert to fraction form
    130,991.16/196,252.02 = 79,606.44/x
  3. Step 3: Cross multiply
    130,991.16x = 196,252.02 × 79,606.44
  4. Step 4: Simplify right side
    130,991.16x = 15,622,924,655.01
  5. Step 5: Solve for x
    x = 15,622,924,655.01/130,991.16
  6. Step 6: Final answer
    x = 119,267.02

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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.