Home / 172,236.96-237,416.40-157,773.60

Finding the Fourth Proportional to 172,236.96, 237,416.40 and 157,773.60

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Solution

The fourth proportional to 172,236.96, 237,416.40 and 157,773.60 is: 217,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,236.96 : 237,416.40 = 157,773.60 : x
  2. Step 2: Convert to fraction form
    172,236.96/237,416.40 = 157,773.60/x
  3. Step 3: Cross multiply
    172,236.96x = 237,416.40 × 157,773.60
  4. Step 4: Simplify right side
    172,236.96x = 37,458,040,127.04
  5. Step 5: Solve for x
    x = 37,458,040,127.04/172,236.96
  6. Step 6: Final answer
    x = 217,479.69

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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.