Home / 165,340.59-228,173.76-89,889.09

Finding the Fourth Proportional to 165,340.59, 228,173.76 and 89,889.09

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Solution

The fourth proportional to 165,340.59, 228,173.76 and 89,889.09 is: 124,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,340.59 : 228,173.76 = 89,889.09 : x
  2. Step 2: Convert to fraction form
    165,340.59/228,173.76 = 89,889.09/x
  3. Step 3: Cross multiply
    165,340.59x = 228,173.76 × 89,889.09
  4. Step 4: Simplify right side
    165,340.59x = 20,510,331,648.28
  5. Step 5: Solve for x
    x = 20,510,331,648.28/165,340.59
  6. Step 6: Final answer
    x = 124,048.98

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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.