Home / 237,777.75-328,133.30-137,175.75

Finding the Fourth Proportional to 237,777.75, 328,133.30 and 137,175.75

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Solution

The fourth proportional to 237,777.75, 328,133.30 and 137,175.75 is: 189,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,777.75 : 328,133.30 = 137,175.75 : x
  2. Step 2: Convert to fraction form
    237,777.75/328,133.30 = 137,175.75/x
  3. Step 3: Cross multiply
    237,777.75x = 328,133.30 × 137,175.75
  4. Step 4: Simplify right side
    237,777.75x = 45,011,930,841.60
  5. Step 5: Solve for x
    x = 45,011,930,841.60/237,777.75
  6. Step 6: Final answer
    x = 189,302.54

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1.5x scale

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.