Home / 258,511.13-356,745.35-151,171.34

Finding the Fourth Proportional to 258,511.13, 356,745.35 and 151,171.34

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Solution

The fourth proportional to 258,511.13, 356,745.35 and 151,171.34 is: 208,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,511.13 : 356,745.35 = 151,171.34 : x
  2. Step 2: Convert to fraction form
    258,511.13/356,745.35 = 151,171.34/x
  3. Step 3: Cross multiply
    258,511.13x = 356,745.35 × 151,171.34
  4. Step 4: Simplify right side
    258,511.13x = 53,929,673,868.06
  5. Step 5: Solve for x
    x = 53,929,673,868.06/258,511.13
  6. Step 6: Final answer
    x = 208,616.45

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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.