Home / 213,274.76-294,318.18-117,781.04

Finding the Fourth Proportional to 213,274.76, 294,318.18 and 117,781.04

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Solution

The fourth proportional to 213,274.76, 294,318.18 and 117,781.04 is: 162,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,274.76 : 294,318.18 = 117,781.04 : x
  2. Step 2: Convert to fraction form
    213,274.76/294,318.18 = 117,781.04/x
  3. Step 3: Cross multiply
    213,274.76x = 294,318.18 × 117,781.04
  4. Step 4: Simplify right side
    213,274.76x = 34,665,101,331.31
  5. Step 5: Solve for x
    x = 34,665,101,331.31/213,274.76
  6. Step 6: Final answer
    x = 162,537.29

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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.