Home / 163,780.92-226,022.70-89,194.40

Finding the Fourth Proportional to 163,780.92, 226,022.70 and 89,194.40

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Solution

The fourth proportional to 163,780.92, 226,022.70 and 89,194.40 is: 123,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,780.92 : 226,022.70 = 89,194.40 : x
  2. Step 2: Convert to fraction form
    163,780.92/226,022.70 = 89,194.40/x
  3. Step 3: Cross multiply
    163,780.92x = 226,022.70 × 89,194.40
  4. Step 4: Simplify right side
    163,780.92x = 20,159,959,112.88
  5. Step 5: Solve for x
    x = 20,159,959,112.88/163,780.92
  6. Step 6: Final answer
    x = 123,091.01

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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.