Home / 213,218.85-294,246.60-117,731.58

Finding the Fourth Proportional to 213,218.85, 294,246.60 and 117,731.58

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Solution

The fourth proportional to 213,218.85, 294,246.60 and 117,731.58 is: 162,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,218.85 : 294,246.60 = 117,731.58 : x
  2. Step 2: Convert to fraction form
    213,218.85/294,246.60 = 117,731.58/x
  3. Step 3: Cross multiply
    213,218.85x = 294,246.60 × 117,731.58
  4. Step 4: Simplify right side
    213,218.85x = 34,642,117,127.63
  5. Step 5: Solve for x
    x = 34,642,117,127.63/213,218.85
  6. Step 6: Final answer
    x = 162,472.11

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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.