Home / 173,858.22-239,961.69-105,897.60

Finding the Fourth Proportional to 173,858.22, 239,961.69 and 105,897.60

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Solution

The fourth proportional to 173,858.22, 239,961.69 and 105,897.60 is: 146,161.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,858.22 : 239,961.69 = 105,897.60 : x
  2. Step 2: Convert to fraction form
    173,858.22/239,961.69 = 105,897.60/x
  3. Step 3: Cross multiply
    173,858.22x = 239,961.69 × 105,897.60
  4. Step 4: Simplify right side
    173,858.22x = 25,411,367,062.94
  5. Step 5: Solve for x
    x = 25,411,367,062.94/173,858.22
  6. Step 6: Final answer
    x = 146,161.44

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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.