Home / 130,926.23-196,206.31-70,824.97

Finding the Fourth Proportional to 130,926.23, 196,206.31 and 70,824.97

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Solution

The fourth proportional to 130,926.23, 196,206.31 and 70,824.97 is: 106,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,926.23 : 196,206.31 = 70,824.97 : x
  2. Step 2: Convert to fraction form
    130,926.23/196,206.31 = 70,824.97/x
  3. Step 3: Cross multiply
    130,926.23x = 196,206.31 × 70,824.97
  4. Step 4: Simplify right side
    130,926.23x = 13,896,306,019.56
  5. Step 5: Solve for x
    x = 13,896,306,019.56/130,926.23
  6. Step 6: Final answer
    x = 106,138.44

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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.