Home / 168,029.10-252,116.55-84,923.10

Finding the Fourth Proportional to 168,029.10, 252,116.55 and 84,923.10

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Solution

The fourth proportional to 168,029.10, 252,116.55 and 84,923.10 is: 127,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,029.10 : 252,116.55 = 84,923.10 : x
  2. Step 2: Convert to fraction form
    168,029.10/252,116.55 = 84,923.10/x
  3. Step 3: Cross multiply
    168,029.10x = 252,116.55 × 84,923.10
  4. Step 4: Simplify right side
    168,029.10x = 21,410,518,987.31
  5. Step 5: Solve for x
    x = 21,410,518,987.31/168,029.10
  6. Step 6: Final answer
    x = 127,421.49

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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.