Home / 168,701.04-253,121.84-73,999.24

Finding the Fourth Proportional to 168,701.04, 253,121.84 and 73,999.24

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Solution

The fourth proportional to 168,701.04, 253,121.84 and 73,999.24 is: 111,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,701.04 : 253,121.84 = 73,999.24 : x
  2. Step 2: Convert to fraction form
    168,701.04/253,121.84 = 73,999.24/x
  3. Step 3: Cross multiply
    168,701.04x = 253,121.84 × 73,999.24
  4. Step 4: Simplify right side
    168,701.04x = 18,730,823,787.40
  5. Step 5: Solve for x
    x = 18,730,823,787.40/168,701.04
  6. Step 6: Final answer
    x = 111,029.69

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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.