Home / 251,137.80-346,661.13-166,282.20

Finding the Fourth Proportional to 251,137.80, 346,661.13 and 166,282.20

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Solution

The fourth proportional to 251,137.80, 346,661.13 and 166,282.20 is: 229,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,137.80 : 346,661.13 = 166,282.20 : x
  2. Step 2: Convert to fraction form
    251,137.80/346,661.13 = 166,282.20/x
  3. Step 3: Cross multiply
    251,137.80x = 346,661.13 × 166,282.20
  4. Step 4: Simplify right side
    251,137.80x = 57,643,575,350.89
  5. Step 5: Solve for x
    x = 57,643,575,350.89/251,137.80
  6. Step 6: Final answer
    x = 229,529.67

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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.