Home / 168,916.77-253,448.64-105,881.34

Finding the Fourth Proportional to 168,916.77, 253,448.64 and 105,881.34

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Solution

The fourth proportional to 168,916.77, 253,448.64 and 105,881.34 is: 158,868.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,916.77 : 253,448.64 = 105,881.34 : x
  2. Step 2: Convert to fraction form
    168,916.77/253,448.64 = 105,881.34/x
  3. Step 3: Cross multiply
    168,916.77x = 253,448.64 × 105,881.34
  4. Step 4: Simplify right side
    168,916.77x = 26,835,481,624.38
  5. Step 5: Solve for x
    x = 26,835,481,624.38/168,916.77
  6. Step 6: Final answer
    x = 158,868.07

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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.