Home / 258,264.52-356,403.14-145,087.27

Finding the Fourth Proportional to 258,264.52, 356,403.14 and 145,087.27

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Solution

The fourth proportional to 258,264.52, 356,403.14 and 145,087.27 is: 200,219.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,264.52 : 356,403.14 = 145,087.27 : x
  2. Step 2: Convert to fraction form
    258,264.52/356,403.14 = 145,087.27/x
  3. Step 3: Cross multiply
    258,264.52x = 356,403.14 × 145,087.27
  4. Step 4: Simplify right side
    258,264.52x = 51,709,557,529.66
  5. Step 5: Solve for x
    x = 51,709,557,529.66/258,264.52
  6. Step 6: Final answer
    x = 200,219.36

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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.