Home / 236,657.28-326,583.82-129,231.84

Finding the Fourth Proportional to 236,657.28, 326,583.82 and 129,231.84

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Solution

The fourth proportional to 236,657.28, 326,583.82 and 129,231.84 is: 178,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657.28 : 326,583.82 = 129,231.84 : x
  2. Step 2: Convert to fraction form
    236,657.28/326,583.82 = 129,231.84/x
  3. Step 3: Cross multiply
    236,657.28x = 326,583.82 × 129,231.84
  4. Step 4: Simplify right side
    236,657.28x = 42,205,027,972.83
  5. Step 5: Solve for x
    x = 42,205,027,972.83/236,657.28
  6. Step 6: Final answer
    x = 178,338.18

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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.