Home / 236,690.33-326,627.46-129,260.79

Finding the Fourth Proportional to 236,690.33, 326,627.46 and 129,260.79

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Solution

The fourth proportional to 236,690.33, 326,627.46 and 129,260.79 is: 178,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,690.33 : 326,627.46 = 129,260.79 : x
  2. Step 2: Convert to fraction form
    236,690.33/326,627.46 = 129,260.79/x
  3. Step 3: Cross multiply
    236,690.33x = 326,627.46 × 129,260.79
  4. Step 4: Simplify right side
    236,690.33x = 42,220,123,515.29
  5. Step 5: Solve for x
    x = 42,220,123,515.29/236,690.33
  6. Step 6: Final answer
    x = 178,377.06

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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.