Home / 168,965.72-253,535.95-74,262.39

Finding the Fourth Proportional to 168,965.72, 253,535.95 and 74,262.39

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Solution

The fourth proportional to 168,965.72, 253,535.95 and 74,262.39 is: 111,431.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,965.72 : 253,535.95 = 74,262.39 : x
  2. Step 2: Convert to fraction form
    168,965.72/253,535.95 = 74,262.39/x
  3. Step 3: Cross multiply
    168,965.72x = 253,535.95 × 74,262.39
  4. Step 4: Simplify right side
    168,965.72x = 18,828,186,670.34
  5. Step 5: Solve for x
    x = 18,828,186,670.34/168,965.72
  6. Step 6: Final answer
    x = 111,431.99

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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.