Home / 172,911.15-238,612.62-96,432.57

Finding the Fourth Proportional to 172,911.15, 238,612.62 and 96,432.57

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Solution

The fourth proportional to 172,911.15, 238,612.62 and 96,432.57 is: 133,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,911.15 : 238,612.62 = 96,432.57 : x
  2. Step 2: Convert to fraction form
    172,911.15/238,612.62 = 96,432.57/x
  3. Step 3: Cross multiply
    172,911.15x = 238,612.62 × 96,432.57
  4. Step 4: Simplify right side
    172,911.15x = 23,010,028,181.03
  5. Step 5: Solve for x
    x = 23,010,028,181.03/172,911.15
  6. Step 6: Final answer
    x = 133,074.29

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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.