Home / 172,616.90-238,146.86-172,350.79

Finding the Fourth Proportional to 172,616.90, 238,146.86 and 172,350.79

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Solution

The fourth proportional to 172,616.90, 238,146.86 and 172,350.79 is: 237,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,616.90 : 238,146.86 = 172,350.79 : x
  2. Step 2: Convert to fraction form
    172,616.90/238,146.86 = 172,350.79/x
  3. Step 3: Cross multiply
    172,616.90x = 238,146.86 × 172,350.79
  4. Step 4: Simplify right side
    172,616.90x = 41,044,797,999.90
  5. Step 5: Solve for x
    x = 41,044,797,999.90/172,616.90
  6. Step 6: Final answer
    x = 237,779.73

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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.