Home / 181,206.12-271,689.21-86,450.93

Finding the Fourth Proportional to 181,206.12, 271,689.21 and 86,450.93

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Solution

The fourth proportional to 181,206.12, 271,689.21 and 86,450.93 is: 129,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,206.12 : 271,689.21 = 86,450.93 : x
  2. Step 2: Convert to fraction form
    181,206.12/271,689.21 = 86,450.93/x
  3. Step 3: Cross multiply
    181,206.12x = 271,689.21 × 86,450.93
  4. Step 4: Simplify right side
    181,206.12x = 23,487,783,517.02
  5. Step 5: Solve for x
    x = 23,487,783,517.02/181,206.12
  6. Step 6: Final answer
    x = 129,619.15

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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.