Home / 161,749.56-223,219.08-93,766.80

Finding the Fourth Proportional to 161,749.56, 223,219.08 and 93,766.80

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Solution

The fourth proportional to 161,749.56, 223,219.08 and 93,766.80 is: 129,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,749.56 : 223,219.08 = 93,766.80 : x
  2. Step 2: Convert to fraction form
    161,749.56/223,219.08 = 93,766.80/x
  3. Step 3: Cross multiply
    161,749.56x = 223,219.08 × 93,766.80
  4. Step 4: Simplify right side
    161,749.56x = 20,930,538,830.54
  5. Step 5: Solve for x
    x = 20,930,538,830.54/161,749.56
  6. Step 6: Final answer
    x = 129,400.90

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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.