Home / 258,164.07-356,265.25-143,461.38

Finding the Fourth Proportional to 258,164.07, 356,265.25 and 143,461.38

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Solution

The fourth proportional to 258,164.07, 356,265.25 and 143,461.38 is: 197,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,164.07 : 356,265.25 = 143,461.38 : x
  2. Step 2: Convert to fraction form
    258,164.07/356,265.25 = 143,461.38/x
  3. Step 3: Cross multiply
    258,164.07x = 356,265.25 × 143,461.38
  4. Step 4: Simplify right side
    258,164.07x = 51,110,304,411.05
  5. Step 5: Solve for x
    x = 51,110,304,411.05/258,164.07
  6. Step 6: Final answer
    x = 197,976.06

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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.