Home / 232,189.56-320,425.20-130,237.65

Finding the Fourth Proportional to 232,189.56, 320,425.20 and 130,237.65

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Solution

The fourth proportional to 232,189.56, 320,425.20 and 130,237.65 is: 179,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,189.56 : 320,425.20 = 130,237.65 : x
  2. Step 2: Convert to fraction form
    232,189.56/320,425.20 = 130,237.65/x
  3. Step 3: Cross multiply
    232,189.56x = 320,425.20 × 130,237.65
  4. Step 4: Simplify right side
    232,189.56x = 41,731,425,048.78
  5. Step 5: Solve for x
    x = 41,731,425,048.78/232,189.56
  6. Step 6: Final answer
    x = 179,729.98

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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.