Home / 258,517.70-356,754.40-145,341.26

Finding the Fourth Proportional to 258,517.70, 356,754.40 and 145,341.26

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Solution

The fourth proportional to 258,517.70, 356,754.40 and 145,341.26 is: 200,570.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,517.70 : 356,754.40 = 145,341.26 : x
  2. Step 2: Convert to fraction form
    258,517.70/356,754.40 = 145,341.26/x
  3. Step 3: Cross multiply
    258,517.70x = 356,754.40 × 145,341.26
  4. Step 4: Simplify right side
    258,517.70x = 51,851,134,006.54
  5. Step 5: Solve for x
    x = 51,851,134,006.54/258,517.70
  6. Step 6: Final answer
    x = 200,570.92

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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.