Home / 130,021.80-195,032.70-94,770.60

Finding the Fourth Proportional to 130,021.80, 195,032.70 and 94,770.60

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Solution

The fourth proportional to 130,021.80, 195,032.70 and 94,770.60 is: 142,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,021.80 : 195,032.70 = 94,770.60 : x
  2. Step 2: Convert to fraction form
    130,021.80/195,032.70 = 94,770.60/x
  3. Step 3: Cross multiply
    130,021.80x = 195,032.70 × 94,770.60
  4. Step 4: Simplify right side
    130,021.80x = 18,483,365,998.62
  5. Step 5: Solve for x
    x = 18,483,365,998.62/130,021.80
  6. Step 6: Final answer
    x = 142,155.90

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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.