Home / 181,711.40-272,178.30-162,012.20

Finding the Fourth Proportional to 181,711.40, 272,178.30 and 162,012.20

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Solution

The fourth proportional to 181,711.40, 272,178.30 and 162,012.20 is: 242,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,711.40 : 272,178.30 = 162,012.20 : x
  2. Step 2: Convert to fraction form
    181,711.40/272,178.30 = 162,012.20/x
  3. Step 3: Cross multiply
    181,711.40x = 272,178.30 × 162,012.20
  4. Step 4: Simplify right side
    181,711.40x = 44,096,205,175.26
  5. Step 5: Solve for x
    x = 44,096,205,175.26/181,711.40
  6. Step 6: Final answer
    x = 242,671.65

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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.