Home / 235,189.72-324,564.12-127,760.62

Finding the Fourth Proportional to 235,189.72, 324,564.12 and 127,760.62

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Solution

The fourth proportional to 235,189.72, 324,564.12 and 127,760.62 is: 176,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,189.72 : 324,564.12 = 127,760.62 : x
  2. Step 2: Convert to fraction form
    235,189.72/324,564.12 = 127,760.62/x
  3. Step 3: Cross multiply
    235,189.72x = 324,564.12 × 127,760.62
  4. Step 4: Simplify right side
    235,189.72x = 41,466,513,200.95
  5. Step 5: Solve for x
    x = 41,466,513,200.95/235,189.72
  6. Step 6: Final answer
    x = 176,310.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.