Home / 165,224.09-228,008.68-93,617.78

Finding the Fourth Proportional to 165,224.09, 228,008.68 and 93,617.78

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Solution

The fourth proportional to 165,224.09, 228,008.68 and 93,617.78 is: 129,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,224.09 : 228,008.68 = 93,617.78 : x
  2. Step 2: Convert to fraction form
    165,224.09/228,008.68 = 93,617.78/x
  3. Step 3: Cross multiply
    165,224.09x = 228,008.68 × 93,617.78
  4. Step 4: Simplify right side
    165,224.09x = 21,345,665,068.24
  5. Step 5: Solve for x
    x = 21,345,665,068.24/165,224.09
  6. Step 6: Final answer
    x = 129,192.21

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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.