Home / 424,826.26-637,241.02-172,111.52

Finding the Fourth Proportional to 424,826.26, 637,241.02 and 172,111.52

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Solution

The fourth proportional to 424,826.26, 637,241.02 and 172,111.52 is: 258,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,826.26 : 637,241.02 = 172,111.52 : x
  2. Step 2: Convert to fraction form
    424,826.26/637,241.02 = 172,111.52/x
  3. Step 3: Cross multiply
    424,826.26x = 637,241.02 × 172,111.52
  4. Step 4: Simplify right side
    424,826.26x = 109,676,520,558.55
  5. Step 5: Solve for x
    x = 109,676,520,558.55/424,826.26
  6. Step 6: Final answer
    x = 258,167.94

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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.