Home / 168,088.40-231,985.32-96,490.88

Finding the Fourth Proportional to 168,088.40, 231,985.32 and 96,490.88

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Solution

The fourth proportional to 168,088.40, 231,985.32 and 96,490.88 is: 133,170.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,088.40 : 231,985.32 = 96,490.88 : x
  2. Step 2: Convert to fraction form
    168,088.40/231,985.32 = 96,490.88/x
  3. Step 3: Cross multiply
    168,088.40x = 231,985.32 × 96,490.88
  4. Step 4: Simplify right side
    168,088.40x = 22,384,467,673.88
  5. Step 5: Solve for x
    x = 22,384,467,673.88/168,088.40
  6. Step 6: Final answer
    x = 133,170.81

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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.