Home / 235,171.22-324,538.68-127,743.35

Finding the Fourth Proportional to 235,171.22, 324,538.68 and 127,743.35

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Solution

The fourth proportional to 235,171.22, 324,538.68 and 127,743.35 is: 176,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,171.22 : 324,538.68 = 127,743.35 : x
  2. Step 2: Convert to fraction form
    235,171.22/324,538.68 = 127,743.35/x
  3. Step 3: Cross multiply
    235,171.22x = 324,538.68 × 127,743.35
  4. Step 4: Simplify right side
    235,171.22x = 41,457,658,187.78
  5. Step 5: Solve for x
    x = 41,457,658,187.78/235,171.22
  6. Step 6: Final answer
    x = 176,287.12

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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.