Home / 130,870.03-196,306.07-71,673.41

Finding the Fourth Proportional to 130,870.03, 196,306.07 and 71,673.41

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Solution

The fourth proportional to 130,870.03, 196,306.07 and 71,673.41 is: 107,510.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,870.03 : 196,306.07 = 71,673.41 : x
  2. Step 2: Convert to fraction form
    130,870.03/196,306.07 = 71,673.41/x
  3. Step 3: Cross multiply
    130,870.03x = 196,306.07 × 71,673.41
  4. Step 4: Simplify right side
    130,870.03x = 14,069,924,100.70
  5. Step 5: Solve for x
    x = 14,069,924,100.70/130,870.03
  6. Step 6: Final answer
    x = 107,510.67

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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.