Home / 236,861.42-326,854.98-129,432.33

Finding the Fourth Proportional to 236,861.42, 326,854.98 and 129,432.33

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Solution

The fourth proportional to 236,861.42, 326,854.98 and 129,432.33 is: 178,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,861.42 : 326,854.98 = 129,432.33 : x
  2. Step 2: Convert to fraction form
    236,861.42/326,854.98 = 129,432.33/x
  3. Step 3: Cross multiply
    236,861.42x = 326,854.98 × 129,432.33
  4. Step 4: Simplify right side
    236,861.42x = 42,305,601,633.50
  5. Step 5: Solve for x
    x = 42,305,601,633.50/236,861.42
  6. Step 6: Final answer
    x = 178,609.09

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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.