Home / 153,327.03-229,912.79-70,149.75

Finding the Fourth Proportional to 153,327.03, 229,912.79 and 70,149.75

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Solution

The fourth proportional to 153,327.03, 229,912.79 and 70,149.75 is: 105,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,327.03 : 229,912.79 = 70,149.75 : x
  2. Step 2: Convert to fraction form
    153,327.03/229,912.79 = 70,149.75/x
  3. Step 3: Cross multiply
    153,327.03x = 229,912.79 × 70,149.75
  4. Step 4: Simplify right side
    153,327.03x = 16,128,324,389.55
  5. Step 5: Solve for x
    x = 16,128,324,389.55/153,327.03
  6. Step 6: Final answer
    x = 105,189.05

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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.