Home / 258,207.38-356,226.60-190,385.30

Finding the Fourth Proportional to 258,207.38, 356,226.60 and 190,385.30

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Solution

The fourth proportional to 258,207.38, 356,226.60 and 190,385.30 is: 262,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,207.38 : 356,226.60 = 190,385.30 : x
  2. Step 2: Convert to fraction form
    258,207.38/356,226.60 = 190,385.30/x
  3. Step 3: Cross multiply
    258,207.38x = 356,226.60 × 190,385.30
  4. Step 4: Simplify right side
    258,207.38x = 67,820,308,108.98
  5. Step 5: Solve for x
    x = 67,820,308,108.98/258,207.38
  6. Step 6: Final answer
    x = 262,658.29

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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.