Home / 258,391.44-356,588.28-156,435.60

Finding the Fourth Proportional to 258,391.44, 356,588.28 and 156,435.60

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Solution

The fourth proportional to 258,391.44, 356,588.28 and 156,435.60 is: 215,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,391.44 : 356,588.28 = 156,435.60 : x
  2. Step 2: Convert to fraction form
    258,391.44/356,588.28 = 156,435.60/x
  3. Step 3: Cross multiply
    258,391.44x = 356,588.28 × 156,435.60
  4. Step 4: Simplify right side
    258,391.44x = 55,783,101,534.77
  5. Step 5: Solve for x
    x = 55,783,101,534.77/258,391.44
  6. Step 6: Final answer
    x = 215,886.03

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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.