Home / 218,745.80-328,272.30-94,176.20

Finding the Fourth Proportional to 218,745.80, 328,272.30 and 94,176.20

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Solution

The fourth proportional to 218,745.80, 328,272.30 and 94,176.20 is: 141,330.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,745.80 : 328,272.30 = 94,176.20 : x
  2. Step 2: Convert to fraction form
    218,745.80/328,272.30 = 94,176.20/x
  3. Step 3: Cross multiply
    218,745.80x = 328,272.30 × 94,176.20
  4. Step 4: Simplify right side
    218,745.80x = 30,915,437,779.26
  5. Step 5: Solve for x
    x = 30,915,437,779.26/218,745.80
  6. Step 6: Final answer
    x = 141,330.43

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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.