Home / 213,351.30-294,422.58-117,851.76

Finding the Fourth Proportional to 213,351.30, 294,422.58 and 117,851.76

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Solution

The fourth proportional to 213,351.30, 294,422.58 and 117,851.76 is: 162,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,351.30 : 294,422.58 = 117,851.76 : x
  2. Step 2: Convert to fraction form
    213,351.30/294,422.58 = 117,851.76/x
  3. Step 3: Cross multiply
    213,351.30x = 294,422.58 × 117,851.76
  4. Step 4: Simplify right side
    213,351.30x = 34,698,219,236.74
  5. Step 5: Solve for x
    x = 34,698,219,236.74/213,351.30
  6. Step 6: Final answer
    x = 162,634.21

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1.5x scale

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.