Home / 250,057.24-345,087.10-136,880

Finding the Fourth Proportional to 250,057.24, 345,087.10 and 136,880

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Solution

The fourth proportional to 250,057.24, 345,087.10 and 136,880 is: 188,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,057.24 : 345,087.10 = 136,880 : x
  2. Step 2: Convert to fraction form
    250,057.24/345,087.10 = 136,880/x
  3. Step 3: Cross multiply
    250,057.24x = 345,087.10 × 136,880
  4. Step 4: Simplify right side
    250,057.24x = 47,235,522,248
  5. Step 5: Solve for x
    x = 47,235,522,248/250,057.24
  6. Step 6: Final answer
    x = 188,898.84

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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.