Home / 236,951.11-326,992.51-129,521.58

Finding the Fourth Proportional to 236,951.11, 326,992.51 and 129,521.58

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Solution

The fourth proportional to 236,951.11, 326,992.51 and 129,521.58 is: 178,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,951.11 : 326,992.51 = 129,521.58 : x
  2. Step 2: Convert to fraction form
    236,951.11/326,992.51 = 129,521.58/x
  3. Step 3: Cross multiply
    236,951.11x = 326,992.51 × 129,521.58
  4. Step 4: Simplify right side
    236,951.11x = 42,352,585,479.05
  5. Step 5: Solve for x
    x = 42,352,585,479.05/236,951.11
  6. Step 6: Final answer
    x = 178,739.76

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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.