Home / 165,941.46-248,905.78-47,612.78

Finding the Fourth Proportional to 165,941.46, 248,905.78 and 47,612.78

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Solution

The fourth proportional to 165,941.46, 248,905.78 and 47,612.78 is: 71,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,941.46 : 248,905.78 = 47,612.78 : x
  2. Step 2: Convert to fraction form
    165,941.46/248,905.78 = 47,612.78/x
  3. Step 3: Cross multiply
    165,941.46x = 248,905.78 × 47,612.78
  4. Step 4: Simplify right side
    165,941.46x = 11,851,095,713.70
  5. Step 5: Solve for x
    x = 11,851,095,713.70/165,941.46
  6. Step 6: Final answer
    x = 71,417.33

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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.