Home / 114,880.20-172,321.14-40,000.22

Finding the Fourth Proportional to 114,880.20, 172,321.14 and 40,000.22

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Solution

The fourth proportional to 114,880.20, 172,321.14 and 40,000.22 is: 60,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,880.20 : 172,321.14 = 40,000.22 : x
  2. Step 2: Convert to fraction form
    114,880.20/172,321.14 = 40,000.22/x
  3. Step 3: Cross multiply
    114,880.20x = 172,321.14 × 40,000.22
  4. Step 4: Simplify right side
    114,880.20x = 6,892,883,510.65
  5. Step 5: Solve for x
    x = 6,892,883,510.65/114,880.20
  6. Step 6: Final answer
    x = 60,000.62

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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.