Home / 157,736.77-217,677.48-86,118.43

Finding the Fourth Proportional to 157,736.77, 217,677.48 and 86,118.43

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Solution

The fourth proportional to 157,736.77, 217,677.48 and 86,118.43 is: 118,843.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,736.77 : 217,677.48 = 86,118.43 : x
  2. Step 2: Convert to fraction form
    157,736.77/217,677.48 = 86,118.43/x
  3. Step 3: Cross multiply
    157,736.77x = 217,677.48 × 86,118.43
  4. Step 4: Simplify right side
    157,736.77x = 18,746,042,823.96
  5. Step 5: Solve for x
    x = 18,746,042,823.96/157,736.77
  6. Step 6: Final answer
    x = 118,843.84

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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.