Home / 252,915.93-349,031.03-139,745.97

Finding the Fourth Proportional to 252,915.93, 349,031.03 and 139,745.97

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Solution

The fourth proportional to 252,915.93, 349,031.03 and 139,745.97 is: 192,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,915.93 : 349,031.03 = 139,745.97 : x
  2. Step 2: Convert to fraction form
    252,915.93/349,031.03 = 139,745.97/x
  3. Step 3: Cross multiply
    252,915.93x = 349,031.03 × 139,745.97
  4. Step 4: Simplify right side
    252,915.93x = 48,775,679,148.72
  5. Step 5: Solve for x
    x = 48,775,679,148.72/252,915.93
  6. Step 6: Final answer
    x = 192,853.33

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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.