Home / 237,109.10-327,205.96-129,678.80

Finding the Fourth Proportional to 237,109.10, 327,205.96 and 129,678.80

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Solution

The fourth proportional to 237,109.10, 327,205.96 and 129,678.80 is: 178,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,109.10 : 327,205.96 = 129,678.80 : x
  2. Step 2: Convert to fraction form
    237,109.10/327,205.96 = 129,678.80/x
  3. Step 3: Cross multiply
    237,109.10x = 327,205.96 × 129,678.80
  4. Step 4: Simplify right side
    237,109.10x = 42,431,676,245.65
  5. Step 5: Solve for x
    x = 42,431,676,245.65/237,109.10
  6. Step 6: Final answer
    x = 178,954.23

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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.