Home / 258,167.15-356,171.18-190,345.09

Finding the Fourth Proportional to 258,167.15, 356,171.18 and 190,345.09

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Solution

The fourth proportional to 258,167.15, 356,171.18 and 190,345.09 is: 262,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,167.15 : 356,171.18 = 190,345.09 : x
  2. Step 2: Convert to fraction form
    258,167.15/356,171.18 = 190,345.09/x
  3. Step 3: Cross multiply
    258,167.15x = 356,171.18 × 190,345.09
  4. Step 4: Simplify right side
    258,167.15x = 67,795,434,138.17
  5. Step 5: Solve for x
    x = 67,795,434,138.17/258,167.15
  6. Step 6: Final answer
    x = 262,602.87

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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.