Home / 157,841.83-236,761.12-91,239.58

Finding the Fourth Proportional to 157,841.83, 236,761.12 and 91,239.58

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Solution

The fourth proportional to 157,841.83, 236,761.12 and 91,239.58 is: 136,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,841.83 : 236,761.12 = 91,239.58 : x
  2. Step 2: Convert to fraction form
    157,841.83/236,761.12 = 91,239.58/x
  3. Step 3: Cross multiply
    157,841.83x = 236,761.12 × 91,239.58
  4. Step 4: Simplify right side
    157,841.83x = 21,601,983,509.13
  5. Step 5: Solve for x
    x = 21,601,983,509.13/157,841.83
  6. Step 6: Final answer
    x = 136,858.42

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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.