Home / 213,468.40-294,582.18-117,979.12

Finding the Fourth Proportional to 213,468.40, 294,582.18 and 117,979.12

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Solution

The fourth proportional to 213,468.40, 294,582.18 and 117,979.12 is: 162,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,468.40 : 294,582.18 = 117,979.12 : x
  2. Step 2: Convert to fraction form
    213,468.40/294,582.18 = 117,979.12/x
  3. Step 3: Cross multiply
    213,468.40x = 294,582.18 × 117,979.12
  4. Step 4: Simplify right side
    213,468.40x = 34,754,546,364.08
  5. Step 5: Solve for x
    x = 34,754,546,364.08/213,468.40
  6. Step 6: Final answer
    x = 162,808.86

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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.