Home / 258,186.18-356,324.67-156,267.72

Finding the Fourth Proportional to 258,186.18, 356,324.67 and 156,267.72

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Solution

The fourth proportional to 258,186.18, 356,324.67 and 156,267.72 is: 215,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,186.18 : 356,324.67 = 156,267.72 : x
  2. Step 2: Convert to fraction form
    258,186.18/356,324.67 = 156,267.72/x
  3. Step 3: Cross multiply
    258,186.18x = 356,324.67 × 156,267.72
  4. Step 4: Simplify right side
    258,186.18x = 55,682,043,760.65
  5. Step 5: Solve for x
    x = 55,682,043,760.65/258,186.18
  6. Step 6: Final answer
    x = 215,666.24

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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.