Home / 199,505.20-275,279.46-118,940.16

Finding the Fourth Proportional to 199,505.20, 275,279.46 and 118,940.16

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Solution

The fourth proportional to 199,505.20, 275,279.46 and 118,940.16 is: 164,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,505.20 : 275,279.46 = 118,940.16 : x
  2. Step 2: Convert to fraction form
    199,505.20/275,279.46 = 118,940.16/x
  3. Step 3: Cross multiply
    199,505.20x = 275,279.46 × 118,940.16
  4. Step 4: Simplify right side
    199,505.20x = 32,741,783,017.11
  5. Step 5: Solve for x
    x = 32,741,783,017.11/199,505.20
  6. Step 6: Final answer
    x = 164,114.94

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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.