Home / 424,795.15-637,194.44-172,080.46

Finding the Fourth Proportional to 424,795.15, 637,194.44 and 172,080.46

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Solution

The fourth proportional to 424,795.15, 637,194.44 and 172,080.46 is: 258,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,795.15 : 637,194.44 = 172,080.46 : x
  2. Step 2: Convert to fraction form
    424,795.15/637,194.44 = 172,080.46/x
  3. Step 3: Cross multiply
    424,795.15x = 637,194.44 × 172,080.46
  4. Step 4: Simplify right side
    424,795.15x = 109,648,713,257.45
  5. Step 5: Solve for x
    x = 109,648,713,257.45/424,795.15
  6. Step 6: Final answer
    x = 258,121.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.