Home / 239,091.19-329,946.80-143,599.51

Finding the Fourth Proportional to 239,091.19, 329,946.80 and 143,599.51

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Solution

The fourth proportional to 239,091.19, 329,946.80 and 143,599.51 is: 198,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,091.19 : 329,946.80 = 143,599.51 : x
  2. Step 2: Convert to fraction form
    239,091.19/329,946.80 = 143,599.51/x
  3. Step 3: Cross multiply
    239,091.19x = 329,946.80 × 143,599.51
  4. Step 4: Simplify right side
    239,091.19x = 47,380,198,806.07
  5. Step 5: Solve for x
    x = 47,380,198,806.07/239,091.19
  6. Step 6: Final answer
    x = 198,167.90

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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.