Home / 211,930.12-292,448.82-116,440.84

Finding the Fourth Proportional to 211,930.12, 292,448.82 and 116,440.84

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Solution

The fourth proportional to 211,930.12, 292,448.82 and 116,440.84 is: 160,680.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,930.12 : 292,448.82 = 116,440.84 : x
  2. Step 2: Convert to fraction form
    211,930.12/292,448.82 = 116,440.84/x
  3. Step 3: Cross multiply
    211,930.12x = 292,448.82 × 116,440.84
  4. Step 4: Simplify right side
    211,930.12x = 34,052,986,257.81
  5. Step 5: Solve for x
    x = 34,052,986,257.81/211,930.12
  6. Step 6: Final answer
    x = 160,680.26

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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.