Home / 211,701.45-292,148.31-114,905.34

Finding the Fourth Proportional to 211,701.45, 292,148.31 and 114,905.34

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Solution

The fourth proportional to 211,701.45, 292,148.31 and 114,905.34 is: 158,569.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,701.45 : 292,148.31 = 114,905.34 : x
  2. Step 2: Convert to fraction form
    211,701.45/292,148.31 = 114,905.34/x
  3. Step 3: Cross multiply
    211,701.45x = 292,148.31 × 114,905.34
  4. Step 4: Simplify right side
    211,701.45x = 33,569,400,890.98
  5. Step 5: Solve for x
    x = 33,569,400,890.98/211,701.45
  6. Step 6: Final answer
    x = 158,569.54

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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.