Home / 237,175.20-355,186.80-126,122.40

Finding the Fourth Proportional to 237,175.20, 355,186.80 and 126,122.40

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Solution

The fourth proportional to 237,175.20, 355,186.80 and 126,122.40 is: 188,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,175.20 : 355,186.80 = 126,122.40 : x
  2. Step 2: Convert to fraction form
    237,175.20/355,186.80 = 126,122.40/x
  3. Step 3: Cross multiply
    237,175.20x = 355,186.80 × 126,122.40
  4. Step 4: Simplify right side
    237,175.20x = 44,797,011,664.32
  5. Step 5: Solve for x
    x = 44,797,011,664.32/237,175.20
  6. Step 6: Final answer
    x = 188,877.30

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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.