Home / 367,730.30-551,465.85-131,080.70

Finding the Fourth Proportional to 367,730.30, 551,465.85 and 131,080.70

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Solution

The fourth proportional to 367,730.30, 551,465.85 and 131,080.70 is: 196,574.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,730.30 : 551,465.85 = 131,080.70 : x
  2. Step 2: Convert to fraction form
    367,730.30/551,465.85 = 131,080.70/x
  3. Step 3: Cross multiply
    367,730.30x = 551,465.85 × 131,080.70
  4. Step 4: Simplify right side
    367,730.30x = 72,286,529,644.10
  5. Step 5: Solve for x
    x = 72,286,529,644.10/367,730.30
  6. Step 6: Final answer
    x = 196,574.85

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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.