Home / 213,036.20-293,989.73-117,542.88

Finding the Fourth Proportional to 213,036.20, 293,989.73 and 117,542.88

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Solution

The fourth proportional to 213,036.20, 293,989.73 and 117,542.88 is: 162,209.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,036.20 : 293,989.73 = 117,542.88 : x
  2. Step 2: Convert to fraction form
    213,036.20/293,989.73 = 117,542.88/x
  3. Step 3: Cross multiply
    213,036.20x = 293,989.73 × 117,542.88
  4. Step 4: Simplify right side
    213,036.20x = 34,556,399,554.62
  5. Step 5: Solve for x
    x = 34,556,399,554.62/213,036.20
  6. Step 6: Final answer
    x = 162,209.05

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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.