Home / 168,913.51-233,098.62-92,431.78

Finding the Fourth Proportional to 168,913.51, 233,098.62 and 92,431.78

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Solution

The fourth proportional to 168,913.51, 233,098.62 and 92,431.78 is: 127,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,913.51 : 233,098.62 = 92,431.78 : x
  2. Step 2: Convert to fraction form
    168,913.51/233,098.62 = 92,431.78/x
  3. Step 3: Cross multiply
    168,913.51x = 233,098.62 × 92,431.78
  4. Step 4: Simplify right side
    168,913.51x = 21,545,720,362.14
  5. Step 5: Solve for x
    x = 21,545,720,362.14/168,913.51
  6. Step 6: Final answer
    x = 127,554.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.