Home / 239,799.79-331,022.25-163,570.51

Finding the Fourth Proportional to 239,799.79, 331,022.25 and 163,570.51

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Solution

The fourth proportional to 239,799.79, 331,022.25 and 163,570.51 is: 225,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,799.79 : 331,022.25 = 163,570.51 : x
  2. Step 2: Convert to fraction form
    239,799.79/331,022.25 = 163,570.51/x
  3. Step 3: Cross multiply
    239,799.79x = 331,022.25 × 163,570.51
  4. Step 4: Simplify right side
    239,799.79x = 54,145,475,780.88
  5. Step 5: Solve for x
    x = 54,145,475,780.88/239,799.79
  6. Step 6: Final answer
    x = 225,794.51

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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.