Home / 236,898.46-326,914.14-129,465.73

Finding the Fourth Proportional to 236,898.46, 326,914.14 and 129,465.73

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Solution

The fourth proportional to 236,898.46, 326,914.14 and 129,465.73 is: 178,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,898.46 : 326,914.14 = 129,465.73 : x
  2. Step 2: Convert to fraction form
    236,898.46/326,914.14 = 129,465.73/x
  3. Step 3: Cross multiply
    236,898.46x = 326,914.14 × 129,465.73
  4. Step 4: Simplify right side
    236,898.46x = 42,324,177,782.42
  5. Step 5: Solve for x
    x = 42,324,177,782.42/236,898.46
  6. Step 6: Final answer
    x = 178,659.57

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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.