Home / 236,825.01-326,814.64-129,392.73

Finding the Fourth Proportional to 236,825.01, 326,814.64 and 129,392.73

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Solution

The fourth proportional to 236,825.01, 326,814.64 and 129,392.73 is: 178,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,825.01 : 326,814.64 = 129,392.73 : x
  2. Step 2: Convert to fraction form
    236,825.01/326,814.64 = 129,392.73/x
  3. Step 3: Cross multiply
    236,825.01x = 326,814.64 × 129,392.73
  4. Step 4: Simplify right side
    236,825.01x = 42,287,438,473.57
  5. Step 5: Solve for x
    x = 42,287,438,473.57/236,825.01
  6. Step 6: Final answer
    x = 178,559.85

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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.