Home / 213,165.04-294,162.96-117,680.80

Finding the Fourth Proportional to 213,165.04, 294,162.96 and 117,680.80

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Solution

The fourth proportional to 213,165.04, 294,162.96 and 117,680.80 is: 162,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,165.04 : 294,162.96 = 117,680.80 : x
  2. Step 2: Convert to fraction form
    213,165.04/294,162.96 = 117,680.80/x
  3. Step 3: Cross multiply
    213,165.04x = 294,162.96 × 117,680.80
  4. Step 4: Simplify right side
    213,165.04x = 34,617,332,463.17
  5. Step 5: Solve for x
    x = 34,617,332,463.17/213,165.04
  6. Step 6: Final answer
    x = 162,396.86

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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.