Home / 208,131.04-312,197.36-50,359.24

Finding the Fourth Proportional to 208,131.04, 312,197.36 and 50,359.24

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Solution

The fourth proportional to 208,131.04, 312,197.36 and 50,359.24 is: 75,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,131.04 : 312,197.36 = 50,359.24 : x
  2. Step 2: Convert to fraction form
    208,131.04/312,197.36 = 50,359.24/x
  3. Step 3: Cross multiply
    208,131.04x = 312,197.36 × 50,359.24
  4. Step 4: Simplify right side
    208,131.04x = 15,722,021,779.61
  5. Step 5: Solve for x
    x = 15,722,021,779.61/208,131.04
  6. Step 6: Final answer
    x = 75,539.05

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1.5x scale

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.