Home / 199,504.20-275,278.08-118,939.16

Finding the Fourth Proportional to 199,504.20, 275,278.08 and 118,939.16

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Solution

The fourth proportional to 199,504.20, 275,278.08 and 118,939.16 is: 164,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,504.20 : 275,278.08 = 118,939.16 : x
  2. Step 2: Convert to fraction form
    199,504.20/275,278.08 = 118,939.16/x
  3. Step 3: Cross multiply
    199,504.20x = 275,278.08 × 118,939.16
  4. Step 4: Simplify right side
    199,504.20x = 32,741,343,601.61
  5. Step 5: Solve for x
    x = 32,741,343,601.61/199,504.20
  6. Step 6: Final answer
    x = 164,113.56

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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.