Home / 181,455.12-250,371.36-105,989.04

Finding the Fourth Proportional to 181,455.12, 250,371.36 and 105,989.04

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Solution

The fourth proportional to 181,455.12, 250,371.36 and 105,989.04 is: 146,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,455.12 : 250,371.36 = 105,989.04 : x
  2. Step 2: Convert to fraction form
    181,455.12/250,371.36 = 105,989.04/x
  3. Step 3: Cross multiply
    181,455.12x = 250,371.36 × 105,989.04
  4. Step 4: Simplify right side
    181,455.12x = 26,536,620,089.89
  5. Step 5: Solve for x
    x = 26,536,620,089.89/181,455.12
  6. Step 6: Final answer
    x = 146,243.44

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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.