Home / 234,128.27-323,062.26-142,199.72

Finding the Fourth Proportional to 234,128.27, 323,062.26 and 142,199.72

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Solution

The fourth proportional to 234,128.27, 323,062.26 and 142,199.72 is: 196,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,128.27 : 323,062.26 = 142,199.72 : x
  2. Step 2: Convert to fraction form
    234,128.27/323,062.26 = 142,199.72/x
  3. Step 3: Cross multiply
    234,128.27x = 323,062.26 × 142,199.72
  4. Step 4: Simplify right side
    234,128.27x = 45,939,361,395.91
  5. Step 5: Solve for x
    x = 45,939,361,395.91/234,128.27
  6. Step 6: Final answer
    x = 196,214.50

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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.