Home / 165,258.36-228,047.49-93,636.81

Finding the Fourth Proportional to 165,258.36, 228,047.49 and 93,636.81

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Solution

The fourth proportional to 165,258.36, 228,047.49 and 93,636.81 is: 129,213.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,258.36 : 228,047.49 = 93,636.81 : x
  2. Step 2: Convert to fraction form
    165,258.36/228,047.49 = 93,636.81/x
  3. Step 3: Cross multiply
    165,258.36x = 228,047.49 × 93,636.81
  4. Step 4: Simplify right side
    165,258.36x = 21,353,639,492.11
  5. Step 5: Solve for x
    x = 21,353,639,492.11/165,258.36
  6. Step 6: Final answer
    x = 129,213.67

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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.