Home / 236,823.01-326,811.89-129,390.73

Finding the Fourth Proportional to 236,823.01, 326,811.89 and 129,390.73

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Solution

The fourth proportional to 236,823.01, 326,811.89 and 129,390.73 is: 178,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,823.01 : 326,811.89 = 129,390.73 : x
  2. Step 2: Convert to fraction form
    236,823.01/326,811.89 = 129,390.73/x
  3. Step 3: Cross multiply
    236,823.01x = 326,811.89 × 129,390.73
  4. Step 4: Simplify right side
    236,823.01x = 42,286,426,738.77
  5. Step 5: Solve for x
    x = 42,286,426,738.77/236,823.01
  6. Step 6: Final answer
    x = 178,557.09

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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.