Home / 236,855.83-326,861.90-129,425.86

Finding the Fourth Proportional to 236,855.83, 326,861.90 and 129,425.86

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Solution

The fourth proportional to 236,855.83, 326,861.90 and 129,425.86 is: 178,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,855.83 : 326,861.90 = 129,425.86 : x
  2. Step 2: Convert to fraction form
    236,855.83/326,861.90 = 129,425.86/x
  3. Step 3: Cross multiply
    236,855.83x = 326,861.90 × 129,425.86
  4. Step 4: Simplify right side
    236,855.83x = 42,304,381,861.60
  5. Step 5: Solve for x
    x = 42,304,381,861.60/236,855.83
  6. Step 6: Final answer
    x = 178,608.15

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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.