Home / 382,725.12-573,561.60-195,342.72

Finding the Fourth Proportional to 382,725.12, 573,561.60 and 195,342.72

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Solution

The fourth proportional to 382,725.12, 573,561.60 and 195,342.72 is: 292,745.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,725.12 : 573,561.60 = 195,342.72 : x
  2. Step 2: Convert to fraction form
    382,725.12/573,561.60 = 195,342.72/x
  3. Step 3: Cross multiply
    382,725.12x = 573,561.60 × 195,342.72
  4. Step 4: Simplify right side
    382,725.12x = 112,041,083,031.55
  5. Step 5: Solve for x
    x = 112,041,083,031.55/382,725.12
  6. Step 6: Final answer
    x = 292,745.57

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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.