Home / 168,914.72-253,442.70-74,095.97

Finding the Fourth Proportional to 168,914.72, 253,442.70 and 74,095.97

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Solution

The fourth proportional to 168,914.72, 253,442.70 and 74,095.97 is: 111,174.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,914.72 : 253,442.70 = 74,095.97 : x
  2. Step 2: Convert to fraction form
    168,914.72/253,442.70 = 74,095.97/x
  3. Step 3: Cross multiply
    168,914.72x = 253,442.70 × 74,095.97
  4. Step 4: Simplify right side
    168,914.72x = 18,779,081,428.71
  5. Step 5: Solve for x
    x = 18,779,081,428.71/168,914.72
  6. Step 6: Final answer
    x = 111,174.92

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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.