Home / 258,181.67-356,318.47-156,263.22

Finding the Fourth Proportional to 258,181.67, 356,318.47 and 156,263.22

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Solution

The fourth proportional to 258,181.67, 356,318.47 and 156,263.22 is: 215,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,181.67 : 356,318.47 = 156,263.22 : x
  2. Step 2: Convert to fraction form
    258,181.67/356,318.47 = 156,263.22/x
  3. Step 3: Cross multiply
    258,181.67x = 356,318.47 × 156,263.22
  4. Step 4: Simplify right side
    258,181.67x = 55,679,469,740.82
  5. Step 5: Solve for x
    x = 55,679,469,740.82/258,181.67
  6. Step 6: Final answer
    x = 215,660.04

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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.