Home / 165,712.50-248,579.55-47,393.46

Finding the Fourth Proportional to 165,712.50, 248,579.55 and 47,393.46

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Solution

The fourth proportional to 165,712.50, 248,579.55 and 47,393.46 is: 71,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,712.50 : 248,579.55 = 47,393.46 : x
  2. Step 2: Convert to fraction form
    165,712.50/248,579.55 = 47,393.46/x
  3. Step 3: Cross multiply
    165,712.50x = 248,579.55 × 47,393.46
  4. Step 4: Simplify right side
    165,712.50x = 11,781,044,959.74
  5. Step 5: Solve for x
    x = 11,781,044,959.74/165,712.50
  6. Step 6: Final answer
    x = 71,093.28

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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.