Home / 165,331.50-228,156.90-89,879.46

Finding the Fourth Proportional to 165,331.50, 228,156.90 and 89,879.46

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Solution

The fourth proportional to 165,331.50, 228,156.90 and 89,879.46 is: 124,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,331.50 : 228,156.90 = 89,879.46 : x
  2. Step 2: Convert to fraction form
    165,331.50/228,156.90 = 89,879.46/x
  3. Step 3: Cross multiply
    165,331.50x = 228,156.90 × 89,879.46
  4. Step 4: Simplify right side
    165,331.50x = 20,506,618,967.27
  5. Step 5: Solve for x
    x = 20,506,618,967.27/165,331.50
  6. Step 6: Final answer
    x = 124,033.34

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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.