Home / 181,123.40-271,685.10-113,763.80

Finding the Fourth Proportional to 181,123.40, 271,685.10 and 113,763.80

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Solution

The fourth proportional to 181,123.40, 271,685.10 and 113,763.80 is: 170,645.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,123.40 : 271,685.10 = 113,763.80 : x
  2. Step 2: Convert to fraction form
    181,123.40/271,685.10 = 113,763.80/x
  3. Step 3: Cross multiply
    181,123.40x = 271,685.10 × 113,763.80
  4. Step 4: Simplify right side
    181,123.40x = 30,907,929,379.38
  5. Step 5: Solve for x
    x = 30,907,929,379.38/181,123.40
  6. Step 6: Final answer
    x = 170,645.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.