Home / 259,310.78-357,715.49-173,242.26

Finding the Fourth Proportional to 259,310.78, 357,715.49 and 173,242.26

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Solution

The fourth proportional to 259,310.78, 357,715.49 and 173,242.26 is: 238,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,310.78 : 357,715.49 = 173,242.26 : x
  2. Step 2: Convert to fraction form
    259,310.78/357,715.49 = 173,242.26/x
  3. Step 3: Cross multiply
    259,310.78x = 357,715.49 × 173,242.26
  4. Step 4: Simplify right side
    259,310.78x = 61,971,440,032.88
  5. Step 5: Solve for x
    x = 61,971,440,032.88/259,310.78
  6. Step 6: Final answer
    x = 238,985.20

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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.