Home / 130,902.50-196,353.75-32,406.50

Finding the Fourth Proportional to 130,902.50, 196,353.75 and 32,406.50

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Solution

The fourth proportional to 130,902.50, 196,353.75 and 32,406.50 is: 48,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,902.50 : 196,353.75 = 32,406.50 : x
  2. Step 2: Convert to fraction form
    130,902.50/196,353.75 = 32,406.50/x
  3. Step 3: Cross multiply
    130,902.50x = 196,353.75 × 32,406.50
  4. Step 4: Simplify right side
    130,902.50x = 6,363,137,799.38
  5. Step 5: Solve for x
    x = 6,363,137,799.38/130,902.50
  6. Step 6: Final answer
    x = 48,609.75

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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.