Home / 165,630.49-228,551.89-93,018.64

Finding the Fourth Proportional to 165,630.49, 228,551.89 and 93,018.64

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Solution

The fourth proportional to 165,630.49, 228,551.89 and 93,018.64 is: 128,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.49 : 228,551.89 = 93,018.64 : x
  2. Step 2: Convert to fraction form
    165,630.49/228,551.89 = 93,018.64/x
  3. Step 3: Cross multiply
    165,630.49x = 228,551.89 × 93,018.64
  4. Step 4: Simplify right side
    165,630.49x = 21,259,585,977.23
  5. Step 5: Solve for x
    x = 21,259,585,977.23/165,630.49
  6. Step 6: Final answer
    x = 128,355.51

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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.