Home / 165,494.48-228,384.72-90,043.04

Finding the Fourth Proportional to 165,494.48, 228,384.72 and 90,043.04

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Solution

The fourth proportional to 165,494.48, 228,384.72 and 90,043.04 is: 124,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,494.48 : 228,384.72 = 90,043.04 : x
  2. Step 2: Convert to fraction form
    165,494.48/228,384.72 = 90,043.04/x
  3. Step 3: Cross multiply
    165,494.48x = 228,384.72 × 90,043.04
  4. Step 4: Simplify right side
    165,494.48x = 20,564,454,478.35
  5. Step 5: Solve for x
    x = 20,564,454,478.35/165,494.48
  6. Step 6: Final answer
    x = 124,260.67

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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.