Home / 236,452.20-326,311.90-129,028.12

Finding the Fourth Proportional to 236,452.20, 326,311.90 and 129,028.12

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Solution

The fourth proportional to 236,452.20, 326,311.90 and 129,028.12 is: 178,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,452.20 : 326,311.90 = 129,028.12 : x
  2. Step 2: Convert to fraction form
    236,452.20/326,311.90 = 129,028.12/x
  3. Step 3: Cross multiply
    236,452.20x = 326,311.90 × 129,028.12
  4. Step 4: Simplify right side
    236,452.20x = 42,103,412,050.67
  5. Step 5: Solve for x
    x = 42,103,412,050.67/236,452.20
  6. Step 6: Final answer
    x = 178,063.10

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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.