Home / 168,765.16-253,173.66-50,423.08

Finding the Fourth Proportional to 168,765.16, 253,173.66 and 50,423.08

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Solution

The fourth proportional to 168,765.16, 253,173.66 and 50,423.08 is: 75,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,765.16 : 253,173.66 = 50,423.08 : x
  2. Step 2: Convert to fraction form
    168,765.16/253,173.66 = 50,423.08/x
  3. Step 3: Cross multiply
    168,765.16x = 253,173.66 × 50,423.08
  4. Step 4: Simplify right side
    168,765.16x = 12,765,795,712.07
  5. Step 5: Solve for x
    x = 12,765,795,712.07/168,765.16
  6. Step 6: Final answer
    x = 75,642.36

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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.