Home / 157,406.22-217,202.31-96,121.62

Finding the Fourth Proportional to 157,406.22, 217,202.31 and 96,121.62

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Solution

The fourth proportional to 157,406.22, 217,202.31 and 96,121.62 is: 132,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,406.22 : 217,202.31 = 96,121.62 : x
  2. Step 2: Convert to fraction form
    157,406.22/217,202.31 = 96,121.62/x
  3. Step 3: Cross multiply
    157,406.22x = 217,202.31 × 96,121.62
  4. Step 4: Simplify right side
    157,406.22x = 20,877,837,904.94
  5. Step 5: Solve for x
    x = 20,877,837,904.94/157,406.22
  6. Step 6: Final answer
    x = 132,636.68

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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.